Home / 8,732.16-13,034.84-8,081.66

Finding the Fourth Proportional to 8,732.16, 13,034.84 and 8,081.66

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Solution

The fourth proportional to 8,732.16, 13,034.84 and 8,081.66 is: 12,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.16 : 13,034.84 = 8,081.66 : x
  2. Step 2: Convert to fraction form
    8,732.16/13,034.84 = 8,081.66/x
  3. Step 3: Cross multiply
    8,732.16x = 13,034.84 × 8,081.66
  4. Step 4: Simplify right side
    8,732.16x = 105,343,039.45
  5. Step 5: Solve for x
    x = 105,343,039.45/8,732.16
  6. Step 6: Final answer
    x = 12,063.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.