Home / 7,318.38-10,099.58-4,174.50

Finding the Fourth Proportional to 7,318.38, 10,099.58 and 4,174.50

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Solution

The fourth proportional to 7,318.38, 10,099.58 and 4,174.50 is: 5,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.38 : 10,099.58 = 4,174.50 : x
  2. Step 2: Convert to fraction form
    7,318.38/10,099.58 = 4,174.50/x
  3. Step 3: Cross multiply
    7,318.38x = 10,099.58 × 4,174.50
  4. Step 4: Simplify right side
    7,318.38x = 42,160,675.84
  5. Step 5: Solve for x
    x = 42,160,675.84/7,318.38
  6. Step 6: Final answer
    x = 5,760.93

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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.