Home / 8,454.96-11,665.20-5,098.80

Finding the Fourth Proportional to 8,454.96, 11,665.20 and 5,098.80

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Solution

The fourth proportional to 8,454.96, 11,665.20 and 5,098.80 is: 7,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.96 : 11,665.20 = 5,098.80 : x
  2. Step 2: Convert to fraction form
    8,454.96/11,665.20 = 5,098.80/x
  3. Step 3: Cross multiply
    8,454.96x = 11,665.20 × 5,098.80
  4. Step 4: Simplify right side
    8,454.96x = 59,478,521.76
  5. Step 5: Solve for x
    x = 59,478,521.76/8,454.96
  6. Step 6: Final answer
    x = 7,034.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.