Home / 10,531.43-15,750.66-9,369.59

Finding the Fourth Proportional to 10,531.43, 15,750.66 and 9,369.59

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Solution

The fourth proportional to 10,531.43, 15,750.66 and 9,369.59 is: 14,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.43 : 15,750.66 = 9,369.59 : x
  2. Step 2: Convert to fraction form
    10,531.43/15,750.66 = 9,369.59/x
  3. Step 3: Cross multiply
    10,531.43x = 15,750.66 × 9,369.59
  4. Step 4: Simplify right side
    10,531.43x = 147,577,147.68
  5. Step 5: Solve for x
    x = 147,577,147.68/10,531.43
  6. Step 6: Final answer
    x = 14,013.03

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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.