Home / 10,098.12-13,933.66-9,281.55

Finding the Fourth Proportional to 10,098.12, 13,933.66 and 9,281.55

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Solution

The fourth proportional to 10,098.12, 13,933.66 and 9,281.55 is: 12,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.12 : 13,933.66 = 9,281.55 : x
  2. Step 2: Convert to fraction form
    10,098.12/13,933.66 = 9,281.55/x
  3. Step 3: Cross multiply
    10,098.12x = 13,933.66 × 9,281.55
  4. Step 4: Simplify right side
    10,098.12x = 129,325,961.97
  5. Step 5: Solve for x
    x = 129,325,961.97/10,098.12
  6. Step 6: Final answer
    x = 12,806.93

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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.