Home / 8,769.12-12,094.56-5,231.58

Finding the Fourth Proportional to 8,769.12, 12,094.56 and 5,231.58

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Solution

The fourth proportional to 8,769.12, 12,094.56 and 5,231.58 is: 7,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.12 : 12,094.56 = 5,231.58 : x
  2. Step 2: Convert to fraction form
    8,769.12/12,094.56 = 5,231.58/x
  3. Step 3: Cross multiply
    8,769.12x = 12,094.56 × 5,231.58
  4. Step 4: Simplify right side
    8,769.12x = 63,273,658.20
  5. Step 5: Solve for x
    x = 63,273,658.20/8,769.12
  6. Step 6: Final answer
    x = 7,215.51

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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.