Home / 28,713.56-43,066.91-7,655.18

Finding the Fourth Proportional to 28,713.56, 43,066.91 and 7,655.18

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Solution

The fourth proportional to 28,713.56, 43,066.91 and 7,655.18 is: 11,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.56 : 43,066.91 = 7,655.18 : x
  2. Step 2: Convert to fraction form
    28,713.56/43,066.91 = 7,655.18/x
  3. Step 3: Cross multiply
    28,713.56x = 43,066.91 × 7,655.18
  4. Step 4: Simplify right side
    28,713.56x = 329,684,751.90
  5. Step 5: Solve for x
    x = 329,684,751.90/28,713.56
  6. Step 6: Final answer
    x = 11,481.85

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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.