Home / 12,406.14-17,115.60-7,098.12

Finding the Fourth Proportional to 12,406.14, 17,115.60 and 7,098.12

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Solution

The fourth proportional to 12,406.14, 17,115.60 and 7,098.12 is: 9,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.14 : 17,115.60 = 7,098.12 : x
  2. Step 2: Convert to fraction form
    12,406.14/17,115.60 = 7,098.12/x
  3. Step 3: Cross multiply
    12,406.14x = 17,115.60 × 7,098.12
  4. Step 4: Simplify right side
    12,406.14x = 121,488,582.67
  5. Step 5: Solve for x
    x = 121,488,582.67/12,406.14
  6. Step 6: Final answer
    x = 9,792.62

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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.