Home / 12,537.86-17,304.80-7,231.95

Finding the Fourth Proportional to 12,537.86, 17,304.80 and 7,231.95

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Solution

The fourth proportional to 12,537.86, 17,304.80 and 7,231.95 is: 9,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.86 : 17,304.80 = 7,231.95 : x
  2. Step 2: Convert to fraction form
    12,537.86/17,304.80 = 7,231.95/x
  3. Step 3: Cross multiply
    12,537.86x = 17,304.80 × 7,231.95
  4. Step 4: Simplify right side
    12,537.86x = 125,147,412.20
  5. Step 5: Solve for x
    x = 125,147,412.20/12,537.86
  6. Step 6: Final answer
    x = 9,981.56

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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.