Home / 10,366.29-15,537.29-5,103.72

Finding the Fourth Proportional to 10,366.29, 15,537.29 and 5,103.72

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Solution

The fourth proportional to 10,366.29, 15,537.29 and 5,103.72 is: 7,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.29 : 15,537.29 = 5,103.72 : x
  2. Step 2: Convert to fraction form
    10,366.29/15,537.29 = 5,103.72/x
  3. Step 3: Cross multiply
    10,366.29x = 15,537.29 × 5,103.72
  4. Step 4: Simplify right side
    10,366.29x = 79,297,952.20
  5. Step 5: Solve for x
    x = 79,297,952.20/10,366.29
  6. Step 6: Final answer
    x = 7,649.60

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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.