Home / 8,555.85-12,832.38-2,713.86

Finding the Fourth Proportional to 8,555.85, 12,832.38 and 2,713.86

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Solution

The fourth proportional to 8,555.85, 12,832.38 and 2,713.86 is: 4,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.85 : 12,832.38 = 2,713.86 : x
  2. Step 2: Convert to fraction form
    8,555.85/12,832.38 = 2,713.86/x
  3. Step 3: Cross multiply
    8,555.85x = 12,832.38 × 2,713.86
  4. Step 4: Simplify right side
    8,555.85x = 34,825,282.79
  5. Step 5: Solve for x
    x = 34,825,282.79/8,555.85
  6. Step 6: Final answer
    x = 4,070.35

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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.