Home / 11,118.28-15,348.80-8,594.68

Finding the Fourth Proportional to 11,118.28, 15,348.80 and 8,594.68

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Solution

The fourth proportional to 11,118.28, 15,348.80 and 8,594.68 is: 11,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.28 : 15,348.80 = 8,594.68 : x
  2. Step 2: Convert to fraction form
    11,118.28/15,348.80 = 8,594.68/x
  3. Step 3: Cross multiply
    11,118.28x = 15,348.80 × 8,594.68
  4. Step 4: Simplify right side
    11,118.28x = 131,918,024.38
  5. Step 5: Solve for x
    x = 131,918,024.38/11,118.28
  6. Step 6: Final answer
    x = 11,864.97

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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.