Home / 8,769.42-12,101.46-4,992.08

Finding the Fourth Proportional to 8,769.42, 12,101.46 and 4,992.08

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Solution

The fourth proportional to 8,769.42, 12,101.46 and 4,992.08 is: 6,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.42 : 12,101.46 = 4,992.08 : x
  2. Step 2: Convert to fraction form
    8,769.42/12,101.46 = 4,992.08/x
  3. Step 3: Cross multiply
    8,769.42x = 12,101.46 × 4,992.08
  4. Step 4: Simplify right side
    8,769.42x = 60,411,456.44
  5. Step 5: Solve for x
    x = 60,411,456.44/8,769.42
  6. Step 6: Final answer
    x = 6,888.88

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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.