Home / 7,714.61-11,572.36-2,168.38

Finding the Fourth Proportional to 7,714.61, 11,572.36 and 2,168.38

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Solution

The fourth proportional to 7,714.61, 11,572.36 and 2,168.38 is: 3,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.61 : 11,572.36 = 2,168.38 : x
  2. Step 2: Convert to fraction form
    7,714.61/11,572.36 = 2,168.38/x
  3. Step 3: Cross multiply
    7,714.61x = 11,572.36 × 2,168.38
  4. Step 4: Simplify right side
    7,714.61x = 25,093,283.02
  5. Step 5: Solve for x
    x = 25,093,283.02/7,714.61
  6. Step 6: Final answer
    x = 3,252.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.