Home / 12,598.43-17,382.23-8,124.75

Finding the Fourth Proportional to 12,598.43, 17,382.23 and 8,124.75

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Solution

The fourth proportional to 12,598.43, 17,382.23 and 8,124.75 is: 11,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598.43 : 17,382.23 = 8,124.75 : x
  2. Step 2: Convert to fraction form
    12,598.43/17,382.23 = 8,124.75/x
  3. Step 3: Cross multiply
    12,598.43x = 17,382.23 × 8,124.75
  4. Step 4: Simplify right side
    12,598.43x = 141,226,232.57
  5. Step 5: Solve for x
    x = 141,226,232.57/12,598.43
  6. Step 6: Final answer
    x = 11,209.83

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Half scale
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Double scale
Find fourth proportional to 12,599.43, 17,383.60 and 8,125.75
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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.