Home / 10,346.97-15,520.61-2,951.43

Finding the Fourth Proportional to 10,346.97, 15,520.61 and 2,951.43

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Solution

The fourth proportional to 10,346.97, 15,520.61 and 2,951.43 is: 4,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.97 : 15,520.61 = 2,951.43 : x
  2. Step 2: Convert to fraction form
    10,346.97/15,520.61 = 2,951.43/x
  3. Step 3: Cross multiply
    10,346.97x = 15,520.61 × 2,951.43
  4. Step 4: Simplify right side
    10,346.97x = 45,807,979.22
  5. Step 5: Solve for x
    x = 45,807,979.22/10,346.97
  6. Step 6: Final answer
    x = 4,427.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.