Home / 12,342.11-17,032.28-7,037.42

Finding the Fourth Proportional to 12,342.11, 17,032.28 and 7,037.42

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Solution

The fourth proportional to 12,342.11, 17,032.28 and 7,037.42 is: 9,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.11 : 17,032.28 = 7,037.42 : x
  2. Step 2: Convert to fraction form
    12,342.11/17,032.28 = 7,037.42/x
  3. Step 3: Cross multiply
    12,342.11x = 17,032.28 × 7,037.42
  4. Step 4: Simplify right side
    12,342.11x = 119,863,187.57
  5. Step 5: Solve for x
    x = 119,863,187.57/12,342.11
  6. Step 6: Final answer
    x = 9,711.73

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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.