Home / 8,184.28-11,294.82-5,040.64

Finding the Fourth Proportional to 8,184.28, 11,294.82 and 5,040.64

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Solution

The fourth proportional to 8,184.28, 11,294.82 and 5,040.64 is: 6,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.28 : 11,294.82 = 5,040.64 : x
  2. Step 2: Convert to fraction form
    8,184.28/11,294.82 = 5,040.64/x
  3. Step 3: Cross multiply
    8,184.28x = 11,294.82 × 5,040.64
  4. Step 4: Simplify right side
    8,184.28x = 56,933,121.48
  5. Step 5: Solve for x
    x = 56,933,121.48/8,184.28
  6. Step 6: Final answer
    x = 6,956.40

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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.