Home / 6,115.84-9,167.28-5,247.52

Finding the Fourth Proportional to 6,115.84, 9,167.28 and 5,247.52

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Solution

The fourth proportional to 6,115.84, 9,167.28 and 5,247.52 is: 7,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.84 : 9,167.28 = 5,247.52 : x
  2. Step 2: Convert to fraction form
    6,115.84/9,167.28 = 5,247.52/x
  3. Step 3: Cross multiply
    6,115.84x = 9,167.28 × 5,247.52
  4. Step 4: Simplify right side
    6,115.84x = 48,105,485.15
  5. Step 5: Solve for x
    x = 48,105,485.15/6,115.84
  6. Step 6: Final answer
    x = 7,865.72

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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.