Home / 8,875.50-13,318.38-4,927.29

Finding the Fourth Proportional to 8,875.50, 13,318.38 and 4,927.29

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Solution

The fourth proportional to 8,875.50, 13,318.38 and 4,927.29 is: 7,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.50 : 13,318.38 = 4,927.29 : x
  2. Step 2: Convert to fraction form
    8,875.50/13,318.38 = 4,927.29/x
  3. Step 3: Cross multiply
    8,875.50x = 13,318.38 × 4,927.29
  4. Step 4: Simplify right side
    8,875.50x = 65,623,520.59
  5. Step 5: Solve for x
    x = 65,623,520.59/8,875.50
  6. Step 6: Final answer
    x = 7,393.78

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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.