Home / 8,721.14-12,034.92-4,944.65

Finding the Fourth Proportional to 8,721.14, 12,034.92 and 4,944.65

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Solution

The fourth proportional to 8,721.14, 12,034.92 and 4,944.65 is: 6,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.14 : 12,034.92 = 4,944.65 : x
  2. Step 2: Convert to fraction form
    8,721.14/12,034.92 = 4,944.65/x
  3. Step 3: Cross multiply
    8,721.14x = 12,034.92 × 4,944.65
  4. Step 4: Simplify right side
    8,721.14x = 59,508,442.45
  5. Step 5: Solve for x
    x = 59,508,442.45/8,721.14
  6. Step 6: Final answer
    x = 6,823.47

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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.