Home / 12,531.39-17,293.82-7,226.70

Finding the Fourth Proportional to 12,531.39, 17,293.82 and 7,226.70

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Solution

The fourth proportional to 12,531.39, 17,293.82 and 7,226.70 is: 9,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.39 : 17,293.82 = 7,226.70 : x
  2. Step 2: Convert to fraction form
    12,531.39/17,293.82 = 7,226.70/x
  3. Step 3: Cross multiply
    12,531.39x = 17,293.82 × 7,226.70
  4. Step 4: Simplify right side
    12,531.39x = 124,977,212.86
  5. Step 5: Solve for x
    x = 124,977,212.86/12,531.39
  6. Step 6: Final answer
    x = 9,973.13

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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.