Home / 10,010.40-14,999.14-3,432.96

Finding the Fourth Proportional to 10,010.40, 14,999.14 and 3,432.96

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Solution

The fourth proportional to 10,010.40, 14,999.14 and 3,432.96 is: 5,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.40 : 14,999.14 = 3,432.96 : x
  2. Step 2: Convert to fraction form
    10,010.40/14,999.14 = 3,432.96/x
  3. Step 3: Cross multiply
    10,010.40x = 14,999.14 × 3,432.96
  4. Step 4: Simplify right side
    10,010.40x = 51,491,447.65
  5. Step 5: Solve for x
    x = 51,491,447.65/10,010.40
  6. Step 6: Final answer
    x = 5,143.80

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1.5x scale

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.