Home / 7,387.16-11,052.84-4,102.60

Finding the Fourth Proportional to 7,387.16, 11,052.84 and 4,102.60

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Solution

The fourth proportional to 7,387.16, 11,052.84 and 4,102.60 is: 6,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.16 : 11,052.84 = 4,102.60 : x
  2. Step 2: Convert to fraction form
    7,387.16/11,052.84 = 4,102.60/x
  3. Step 3: Cross multiply
    7,387.16x = 11,052.84 × 4,102.60
  4. Step 4: Simplify right side
    7,387.16x = 45,345,381.38
  5. Step 5: Solve for x
    x = 45,345,381.38/7,387.16
  6. Step 6: Final answer
    x = 6,138.41

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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.