Home / 8,499.08-12,750.42-2,656.13

Finding the Fourth Proportional to 8,499.08, 12,750.42 and 2,656.13

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Solution

The fourth proportional to 8,499.08, 12,750.42 and 2,656.13 is: 3,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.08 : 12,750.42 = 2,656.13 : x
  2. Step 2: Convert to fraction form
    8,499.08/12,750.42 = 2,656.13/x
  3. Step 3: Cross multiply
    8,499.08x = 12,750.42 × 2,656.13
  4. Step 4: Simplify right side
    8,499.08x = 33,866,773.07
  5. Step 5: Solve for x
    x = 33,866,773.07/8,499.08
  6. Step 6: Final answer
    x = 3,984.76

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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.