Home / 10,371.90-15,545.55-5,980.29

Finding the Fourth Proportional to 10,371.90, 15,545.55 and 5,980.29

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Solution

The fourth proportional to 10,371.90, 15,545.55 and 5,980.29 is: 8,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.90 : 15,545.55 = 5,980.29 : x
  2. Step 2: Convert to fraction form
    10,371.90/15,545.55 = 5,980.29/x
  3. Step 3: Cross multiply
    10,371.90x = 15,545.55 × 5,980.29
  4. Step 4: Simplify right side
    10,371.90x = 92,966,897.21
  5. Step 5: Solve for x
    x = 92,966,897.21/10,371.90
  6. Step 6: Final answer
    x = 8,963.34

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1.5x scale

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.