Home / 8,747.76-13,112.52-3,816.07

Finding the Fourth Proportional to 8,747.76, 13,112.52 and 3,816.07

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Solution

The fourth proportional to 8,747.76, 13,112.52 and 3,816.07 is: 5,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.76 : 13,112.52 = 3,816.07 : x
  2. Step 2: Convert to fraction form
    8,747.76/13,112.52 = 3,816.07/x
  3. Step 3: Cross multiply
    8,747.76x = 13,112.52 × 3,816.07
  4. Step 4: Simplify right side
    8,747.76x = 50,038,294.20
  5. Step 5: Solve for x
    x = 50,038,294.20/8,747.76
  6. Step 6: Final answer
    x = 5,720.13

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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.