Home / 10,572.23-15,857.13-3,551.96

Finding the Fourth Proportional to 10,572.23, 15,857.13 and 3,551.96

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Solution

The fourth proportional to 10,572.23, 15,857.13 and 3,551.96 is: 5,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.23 : 15,857.13 = 3,551.96 : x
  2. Step 2: Convert to fraction form
    10,572.23/15,857.13 = 3,551.96/x
  3. Step 3: Cross multiply
    10,572.23x = 15,857.13 × 3,551.96
  4. Step 4: Simplify right side
    10,572.23x = 56,323,891.47
  5. Step 5: Solve for x
    x = 56,323,891.47/10,572.23
  6. Step 6: Final answer
    x = 5,327.53

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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.