Home / 10,385.21-15,572.25-4,841.16

Finding the Fourth Proportional to 10,385.21, 15,572.25 and 4,841.16

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Solution

The fourth proportional to 10,385.21, 15,572.25 and 4,841.16 is: 7,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.21 : 15,572.25 = 4,841.16 : x
  2. Step 2: Convert to fraction form
    10,385.21/15,572.25 = 4,841.16/x
  3. Step 3: Cross multiply
    10,385.21x = 15,572.25 × 4,841.16
  4. Step 4: Simplify right side
    10,385.21x = 75,387,753.81
  5. Step 5: Solve for x
    x = 75,387,753.81/10,385.21
  6. Step 6: Final answer
    x = 7,259.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.