Home / 10,331.10-15,487.94-4,483.31

Finding the Fourth Proportional to 10,331.10, 15,487.94 and 4,483.31

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Solution

The fourth proportional to 10,331.10, 15,487.94 and 4,483.31 is: 6,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.10 : 15,487.94 = 4,483.31 : x
  2. Step 2: Convert to fraction form
    10,331.10/15,487.94 = 4,483.31/x
  3. Step 3: Cross multiply
    10,331.10x = 15,487.94 × 4,483.31
  4. Step 4: Simplify right side
    10,331.10x = 69,437,170.05
  5. Step 5: Solve for x
    x = 69,437,170.05/10,331.10
  6. Step 6: Final answer
    x = 6,721.18

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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.