Home / 10,247.60-15,373.56-3,321.56

Finding the Fourth Proportional to 10,247.60, 15,373.56 and 3,321.56

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Solution

The fourth proportional to 10,247.60, 15,373.56 and 3,321.56 is: 4,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.60 : 15,373.56 = 3,321.56 : x
  2. Step 2: Convert to fraction form
    10,247.60/15,373.56 = 3,321.56/x
  3. Step 3: Cross multiply
    10,247.60x = 15,373.56 × 3,321.56
  4. Step 4: Simplify right side
    10,247.60x = 51,064,252.84
  5. Step 5: Solve for x
    x = 51,064,252.84/10,247.60
  6. Step 6: Final answer
    x = 4,983.04

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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.