Home / 10,342.92-14,273.19-5,627.28

Finding the Fourth Proportional to 10,342.92, 14,273.19 and 5,627.28

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Solution

The fourth proportional to 10,342.92, 14,273.19 and 5,627.28 is: 7,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.92 : 14,273.19 = 5,627.28 : x
  2. Step 2: Convert to fraction form
    10,342.92/14,273.19 = 5,627.28/x
  3. Step 3: Cross multiply
    10,342.92x = 14,273.19 × 5,627.28
  4. Step 4: Simplify right side
    10,342.92x = 80,319,236.62
  5. Step 5: Solve for x
    x = 80,319,236.62/10,342.92
  6. Step 6: Final answer
    x = 7,765.62

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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.