Home / 10,572.48-15,837.52-5,031.20

Finding the Fourth Proportional to 10,572.48, 15,837.52 and 5,031.20

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Solution

The fourth proportional to 10,572.48, 15,837.52 and 5,031.20 is: 7,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.48 : 15,837.52 = 5,031.20 : x
  2. Step 2: Convert to fraction form
    10,572.48/15,837.52 = 5,031.20/x
  3. Step 3: Cross multiply
    10,572.48x = 15,837.52 × 5,031.20
  4. Step 4: Simplify right side
    10,572.48x = 79,681,730.62
  5. Step 5: Solve for x
    x = 79,681,730.62/10,572.48
  6. Step 6: Final answer
    x = 7,536.71

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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.