Home / 8,601.60-12,877.76-5,292.38

Finding the Fourth Proportional to 8,601.60, 12,877.76 and 5,292.38

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Solution

The fourth proportional to 8,601.60, 12,877.76 and 5,292.38 is: 7,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.60 : 12,877.76 = 5,292.38 : x
  2. Step 2: Convert to fraction form
    8,601.60/12,877.76 = 5,292.38/x
  3. Step 3: Cross multiply
    8,601.60x = 12,877.76 × 5,292.38
  4. Step 4: Simplify right side
    8,601.60x = 68,153,999.47
  5. Step 5: Solve for x
    x = 68,153,999.47/8,601.60
  6. Step 6: Final answer
    x = 7,923.41

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1.5x scale

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.