Home / 8,768.52-12,108.42-6,529.56

Finding the Fourth Proportional to 8,768.52, 12,108.42 and 6,529.56

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Solution

The fourth proportional to 8,768.52, 12,108.42 and 6,529.56 is: 9,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.52 : 12,108.42 = 6,529.56 : x
  2. Step 2: Convert to fraction form
    8,768.52/12,108.42 = 6,529.56/x
  3. Step 3: Cross multiply
    8,768.52x = 12,108.42 × 6,529.56
  4. Step 4: Simplify right side
    8,768.52x = 79,062,654.90
  5. Step 5: Solve for x
    x = 79,062,654.90/8,768.52
  6. Step 6: Final answer
    x = 9,016.65

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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.