Home / 8,554.72-12,832.45-2,711.20

Finding the Fourth Proportional to 8,554.72, 12,832.45 and 2,711.20

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Solution

The fourth proportional to 8,554.72, 12,832.45 and 2,711.20 is: 4,066.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.72 : 12,832.45 = 2,711.20 : x
  2. Step 2: Convert to fraction form
    8,554.72/12,832.45 = 2,711.20/x
  3. Step 3: Cross multiply
    8,554.72x = 12,832.45 × 2,711.20
  4. Step 4: Simplify right side
    8,554.72x = 34,791,342.62
  5. Step 5: Solve for x
    x = 34,791,342.62/8,554.72
  6. Step 6: Final answer
    x = 4,066.92

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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.