Home / 10,648.13-15,986.33-9,098.09

Finding the Fourth Proportional to 10,648.13, 15,986.33 and 9,098.09

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Solution

The fourth proportional to 10,648.13, 15,986.33 and 9,098.09 is: 13,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.13 : 15,986.33 = 9,098.09 : x
  2. Step 2: Convert to fraction form
    10,648.13/15,986.33 = 9,098.09/x
  3. Step 3: Cross multiply
    10,648.13x = 15,986.33 × 9,098.09
  4. Step 4: Simplify right side
    10,648.13x = 145,444,943.69
  5. Step 5: Solve for x
    x = 145,444,943.69/10,648.13
  6. Step 6: Final answer
    x = 13,659.21

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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.