Home / 10,648.91-15,987.42-9,098.84

Finding the Fourth Proportional to 10,648.91, 15,987.42 and 9,098.84

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Solution

The fourth proportional to 10,648.91, 15,987.42 and 9,098.84 is: 13,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.91 : 15,987.42 = 9,098.84 : x
  2. Step 2: Convert to fraction form
    10,648.91/15,987.42 = 9,098.84/x
  3. Step 3: Cross multiply
    10,648.91x = 15,987.42 × 9,098.84
  4. Step 4: Simplify right side
    10,648.91x = 145,466,896.66
  5. Step 5: Solve for x
    x = 145,466,896.66/10,648.91
  6. Step 6: Final answer
    x = 13,660.27

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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.