Home / 12,398.06-17,108.80-6,732.58

Finding the Fourth Proportional to 12,398.06, 17,108.80 and 6,732.58

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Solution

The fourth proportional to 12,398.06, 17,108.80 and 6,732.58 is: 9,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.06 : 17,108.80 = 6,732.58 : x
  2. Step 2: Convert to fraction form
    12,398.06/17,108.80 = 6,732.58/x
  3. Step 3: Cross multiply
    12,398.06x = 17,108.80 × 6,732.58
  4. Step 4: Simplify right side
    12,398.06x = 115,186,364.70
  5. Step 5: Solve for x
    x = 115,186,364.70/12,398.06
  6. Step 6: Final answer
    x = 9,290.68

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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.