Home / 8,211.95-11,332.59-4,675.16

Finding the Fourth Proportional to 8,211.95, 11,332.59 and 4,675.16

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Solution

The fourth proportional to 8,211.95, 11,332.59 and 4,675.16 is: 6,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.95 : 11,332.59 = 4,675.16 : x
  2. Step 2: Convert to fraction form
    8,211.95/11,332.59 = 4,675.16/x
  3. Step 3: Cross multiply
    8,211.95x = 11,332.59 × 4,675.16
  4. Step 4: Simplify right side
    8,211.95x = 52,981,671.46
  5. Step 5: Solve for x
    x = 52,981,671.46/8,211.95
  6. Step 6: Final answer
    x = 6,451.78

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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.