Home / 11,853.68-17,770.19-4,456.15

Finding the Fourth Proportional to 11,853.68, 17,770.19 and 4,456.15

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Solution

The fourth proportional to 11,853.68, 17,770.19 and 4,456.15 is: 6,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.68 : 17,770.19 = 4,456.15 : x
  2. Step 2: Convert to fraction form
    11,853.68/17,770.19 = 4,456.15/x
  3. Step 3: Cross multiply
    11,853.68x = 17,770.19 × 4,456.15
  4. Step 4: Simplify right side
    11,853.68x = 79,186,565.46
  5. Step 5: Solve for x
    x = 79,186,565.46/11,853.68
  6. Step 6: Final answer
    x = 6,680.34

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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.