Home / 8,708.46-12,022.80-5,306.74

Finding the Fourth Proportional to 8,708.46, 12,022.80 and 5,306.74

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Solution

The fourth proportional to 8,708.46, 12,022.80 and 5,306.74 is: 7,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.46 : 12,022.80 = 5,306.74 : x
  2. Step 2: Convert to fraction form
    8,708.46/12,022.80 = 5,306.74/x
  3. Step 3: Cross multiply
    8,708.46x = 12,022.80 × 5,306.74
  4. Step 4: Simplify right side
    8,708.46x = 63,801,873.67
  5. Step 5: Solve for x
    x = 63,801,873.67/8,708.46
  6. Step 6: Final answer
    x = 7,326.42

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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.