Home / 8,718.96-12,034.80-5,926.08

Finding the Fourth Proportional to 8,718.96, 12,034.80 and 5,926.08

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Solution

The fourth proportional to 8,718.96, 12,034.80 and 5,926.08 is: 8,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.96 : 12,034.80 = 5,926.08 : x
  2. Step 2: Convert to fraction form
    8,718.96/12,034.80 = 5,926.08/x
  3. Step 3: Cross multiply
    8,718.96x = 12,034.80 × 5,926.08
  4. Step 4: Simplify right side
    8,718.96x = 71,319,187.58
  5. Step 5: Solve for x
    x = 71,319,187.58/8,718.96
  6. Step 6: Final answer
    x = 8,179.78

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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.