Home / 12,476.52-17,217.45-7,170.93

Finding the Fourth Proportional to 12,476.52, 17,217.45 and 7,170.93

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Solution

The fourth proportional to 12,476.52, 17,217.45 and 7,170.93 is: 9,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.52 : 17,217.45 = 7,170.93 : x
  2. Step 2: Convert to fraction form
    12,476.52/17,217.45 = 7,170.93/x
  3. Step 3: Cross multiply
    12,476.52x = 17,217.45 × 7,170.93
  4. Step 4: Simplify right side
    12,476.52x = 123,465,128.73
  5. Step 5: Solve for x
    x = 123,465,128.73/12,476.52
  6. Step 6: Final answer
    x = 9,895.80

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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.