Home / 11,154.16-16,757.16-6,540.40

Finding the Fourth Proportional to 11,154.16, 16,757.16 and 6,540.40

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Solution

The fourth proportional to 11,154.16, 16,757.16 and 6,540.40 is: 9,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.16 : 16,757.16 = 6,540.40 : x
  2. Step 2: Convert to fraction form
    11,154.16/16,757.16 = 6,540.40/x
  3. Step 3: Cross multiply
    11,154.16x = 16,757.16 × 6,540.40
  4. Step 4: Simplify right side
    11,154.16x = 109,598,412.78
  5. Step 5: Solve for x
    x = 109,598,412.78/11,154.16
  6. Step 6: Final answer
    x = 9,825.79

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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.