Home / 8,721.17-12,034.96-4,944.70

Finding the Fourth Proportional to 8,721.17, 12,034.96 and 4,944.70

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Solution

The fourth proportional to 8,721.17, 12,034.96 and 4,944.70 is: 6,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.17 : 12,034.96 = 4,944.70 : x
  2. Step 2: Convert to fraction form
    8,721.17/12,034.96 = 4,944.70/x
  3. Step 3: Cross multiply
    8,721.17x = 12,034.96 × 4,944.70
  4. Step 4: Simplify right side
    8,721.17x = 59,509,229.51
  5. Step 5: Solve for x
    x = 59,509,229.51/8,721.17
  6. Step 6: Final answer
    x = 6,823.54

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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.