Home / 12,332.56-17,025.51-8,305.15

Finding the Fourth Proportional to 12,332.56, 17,025.51 and 8,305.15

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Solution

The fourth proportional to 12,332.56, 17,025.51 and 8,305.15 is: 11,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.56 : 17,025.51 = 8,305.15 : x
  2. Step 2: Convert to fraction form
    12,332.56/17,025.51 = 8,305.15/x
  3. Step 3: Cross multiply
    12,332.56x = 17,025.51 × 8,305.15
  4. Step 4: Simplify right side
    12,332.56x = 141,399,414.38
  5. Step 5: Solve for x
    x = 141,399,414.38/12,332.56
  6. Step 6: Final answer
    x = 11,465.54

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Half scale
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Double scale
Find fourth proportional to 12,333.56, 17,026.89 and 8,306.15
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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.