Home / 12,397.58-17,108.60-6,732.28

Finding the Fourth Proportional to 12,397.58, 17,108.60 and 6,732.28

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Solution

The fourth proportional to 12,397.58, 17,108.60 and 6,732.28 is: 9,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.58 : 17,108.60 = 6,732.28 : x
  2. Step 2: Convert to fraction form
    12,397.58/17,108.60 = 6,732.28/x
  3. Step 3: Cross multiply
    12,397.58x = 17,108.60 × 6,732.28
  4. Step 4: Simplify right side
    12,397.58x = 115,179,826.01
  5. Step 5: Solve for x
    x = 115,179,826.01/12,397.58
  6. Step 6: Final answer
    x = 9,290.51

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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.