Home / 12,531.33-17,292.49-6,864.95

Finding the Fourth Proportional to 12,531.33, 17,292.49 and 6,864.95

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Solution

The fourth proportional to 12,531.33, 17,292.49 and 6,864.95 is: 9,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.33 : 17,292.49 = 6,864.95 : x
  2. Step 2: Convert to fraction form
    12,531.33/17,292.49 = 6,864.95/x
  3. Step 3: Cross multiply
    12,531.33x = 17,292.49 × 6,864.95
  4. Step 4: Simplify right side
    12,531.33x = 118,712,079.23
  5. Step 5: Solve for x
    x = 118,712,079.23/12,531.33
  6. Step 6: Final answer
    x = 9,473.22

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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.