Home / 8,085.18-11,157.38-4,548.39

Finding the Fourth Proportional to 8,085.18, 11,157.38 and 4,548.39

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Solution

The fourth proportional to 8,085.18, 11,157.38 and 4,548.39 is: 6,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.18 : 11,157.38 = 4,548.39 : x
  2. Step 2: Convert to fraction form
    8,085.18/11,157.38 = 4,548.39/x
  3. Step 3: Cross multiply
    8,085.18x = 11,157.38 × 4,548.39
  4. Step 4: Simplify right side
    8,085.18x = 50,748,115.62
  5. Step 5: Solve for x
    x = 50,748,115.62/8,085.18
  6. Step 6: Final answer
    x = 6,276.68

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Half scale
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Double scale
Find fourth proportional to 8,086.18, 11,158.76 and 4,549.39
Similar ratio
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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.