Home / 10,371.15-15,544.42-5,979.53

Finding the Fourth Proportional to 10,371.15, 15,544.42 and 5,979.53

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Solution

The fourth proportional to 10,371.15, 15,544.42 and 5,979.53 is: 8,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.15 : 15,544.42 = 5,979.53 : x
  2. Step 2: Convert to fraction form
    10,371.15/15,544.42 = 5,979.53/x
  3. Step 3: Cross multiply
    10,371.15x = 15,544.42 × 5,979.53
  4. Step 4: Simplify right side
    10,371.15x = 92,948,349.63
  5. Step 5: Solve for x
    x = 92,948,349.63/10,371.15
  6. Step 6: Final answer
    x = 8,962.20

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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.