Home / 7,318.60-10,099.38-4,174.18

Finding the Fourth Proportional to 7,318.60, 10,099.38 and 4,174.18

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Solution

The fourth proportional to 7,318.60, 10,099.38 and 4,174.18 is: 5,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.60 : 10,099.38 = 4,174.18 : x
  2. Step 2: Convert to fraction form
    7,318.60/10,099.38 = 4,174.18/x
  3. Step 3: Cross multiply
    7,318.60x = 10,099.38 × 4,174.18
  4. Step 4: Simplify right side
    7,318.60x = 42,156,630.01
  5. Step 5: Solve for x
    x = 42,156,630.01/7,318.60
  6. Step 6: Final answer
    x = 5,760.20

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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.