Home / 9,317.35-12,858.14-5,125.60

Finding the Fourth Proportional to 9,317.35, 12,858.14 and 5,125.60

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Solution

The fourth proportional to 9,317.35, 12,858.14 and 5,125.60 is: 7,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.35 : 12,858.14 = 5,125.60 : x
  2. Step 2: Convert to fraction form
    9,317.35/12,858.14 = 5,125.60/x
  3. Step 3: Cross multiply
    9,317.35x = 12,858.14 × 5,125.60
  4. Step 4: Simplify right side
    9,317.35x = 65,905,682.38
  5. Step 5: Solve for x
    x = 65,905,682.38/9,317.35
  6. Step 6: Final answer
    x = 7,073.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.