Home / 12,397.22-17,108.10-6,731.92

Finding the Fourth Proportional to 12,397.22, 17,108.10 and 6,731.92

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Solution

The fourth proportional to 12,397.22, 17,108.10 and 6,731.92 is: 9,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.22 : 17,108.10 = 6,731.92 : x
  2. Step 2: Convert to fraction form
    12,397.22/17,108.10 = 6,731.92/x
  3. Step 3: Cross multiply
    12,397.22x = 17,108.10 × 6,731.92
  4. Step 4: Simplify right side
    12,397.22x = 115,170,347.58
  5. Step 5: Solve for x
    x = 115,170,347.58/12,397.22
  6. Step 6: Final answer
    x = 9,290.01

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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.