Home / 8,847.78-13,267.96-5,152.56

Finding the Fourth Proportional to 8,847.78, 13,267.96 and 5,152.56

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Solution

The fourth proportional to 8,847.78, 13,267.96 and 5,152.56 is: 7,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.78 : 13,267.96 = 5,152.56 : x
  2. Step 2: Convert to fraction form
    8,847.78/13,267.96 = 5,152.56/x
  3. Step 3: Cross multiply
    8,847.78x = 13,267.96 × 5,152.56
  4. Step 4: Simplify right side
    8,847.78x = 68,363,947.10
  5. Step 5: Solve for x
    x = 68,363,947.10/8,847.78
  6. Step 6: Final answer
    x = 7,726.68

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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.