Home / 8,634.66-11,915.69-5,098.20

Finding the Fourth Proportional to 8,634.66, 11,915.69 and 5,098.20

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Solution

The fourth proportional to 8,634.66, 11,915.69 and 5,098.20 is: 7,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.66 : 11,915.69 = 5,098.20 : x
  2. Step 2: Convert to fraction form
    8,634.66/11,915.69 = 5,098.20/x
  3. Step 3: Cross multiply
    8,634.66x = 11,915.69 × 5,098.20
  4. Step 4: Simplify right side
    8,634.66x = 60,748,545.27
  5. Step 5: Solve for x
    x = 60,748,545.27/8,634.66
  6. Step 6: Final answer
    x = 7,035.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.