Home / 9,031.52-13,536.36-7,938.02

Finding the Fourth Proportional to 9,031.52, 13,536.36 and 7,938.02

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Solution

The fourth proportional to 9,031.52, 13,536.36 and 7,938.02 is: 11,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.52 : 13,536.36 = 7,938.02 : x
  2. Step 2: Convert to fraction form
    9,031.52/13,536.36 = 7,938.02/x
  3. Step 3: Cross multiply
    9,031.52x = 13,536.36 × 7,938.02
  4. Step 4: Simplify right side
    9,031.52x = 107,451,896.41
  5. Step 5: Solve for x
    x = 107,451,896.41/9,031.52
  6. Step 6: Final answer
    x = 11,897.43

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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.