Home / 11,789.50-17,686.32-4,769.24

Finding the Fourth Proportional to 11,789.50, 17,686.32 and 4,769.24

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Solution

The fourth proportional to 11,789.50, 17,686.32 and 4,769.24 is: 7,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.50 : 17,686.32 = 4,769.24 : x
  2. Step 2: Convert to fraction form
    11,789.50/17,686.32 = 4,769.24/x
  3. Step 3: Cross multiply
    11,789.50x = 17,686.32 × 4,769.24
  4. Step 4: Simplify right side
    11,789.50x = 84,350,304.80
  5. Step 5: Solve for x
    x = 84,350,304.80/11,789.50
  6. Step 6: Final answer
    x = 7,154.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.