Home / 9,150.05-13,658.85-8,465.24

Finding the Fourth Proportional to 9,150.05, 13,658.85 and 8,465.24

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Solution

The fourth proportional to 9,150.05, 13,658.85 and 8,465.24 is: 12,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.05 : 13,658.85 = 8,465.24 : x
  2. Step 2: Convert to fraction form
    9,150.05/13,658.85 = 8,465.24/x
  3. Step 3: Cross multiply
    9,150.05x = 13,658.85 × 8,465.24
  4. Step 4: Simplify right side
    9,150.05x = 115,625,477.52
  5. Step 5: Solve for x
    x = 115,625,477.52/9,150.05
  6. Step 6: Final answer
    x = 12,636.60

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Find fourth proportional to 4,575.02, 6,829.43 and 4,232.62
Half scale
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Double scale
Find fourth proportional to 9,151.05, 13,660.34 and 8,466.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.