Home / 8,976.56-12,388.85-4,998.04

Finding the Fourth Proportional to 8,976.56, 12,388.85 and 4,998.04

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Solution

The fourth proportional to 8,976.56, 12,388.85 and 4,998.04 is: 6,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.56 : 12,388.85 = 4,998.04 : x
  2. Step 2: Convert to fraction form
    8,976.56/12,388.85 = 4,998.04/x
  3. Step 3: Cross multiply
    8,976.56x = 12,388.85 × 4,998.04
  4. Step 4: Simplify right side
    8,976.56x = 61,919,930.63
  5. Step 5: Solve for x
    x = 61,919,930.63/8,976.56
  6. Step 6: Final answer
    x = 6,897.96

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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.