Home / 12,331.56-17,024.13-8,304.15

Finding the Fourth Proportional to 12,331.56, 17,024.13 and 8,304.15

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Solution

The fourth proportional to 12,331.56, 17,024.13 and 8,304.15 is: 11,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.56 : 17,024.13 = 8,304.15 : x
  2. Step 2: Convert to fraction form
    12,331.56/17,024.13 = 8,304.15/x
  3. Step 3: Cross multiply
    12,331.56x = 17,024.13 × 8,304.15
  4. Step 4: Simplify right side
    12,331.56x = 141,370,929.14
  5. Step 5: Solve for x
    x = 141,370,929.14/12,331.56
  6. Step 6: Final answer
    x = 11,464.16

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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.