Home / 7,832.16-11,748.78-2,641.68

Finding the Fourth Proportional to 7,832.16, 11,748.78 and 2,641.68

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Solution

The fourth proportional to 7,832.16, 11,748.78 and 2,641.68 is: 3,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.16 : 11,748.78 = 2,641.68 : x
  2. Step 2: Convert to fraction form
    7,832.16/11,748.78 = 2,641.68/x
  3. Step 3: Cross multiply
    7,832.16x = 11,748.78 × 2,641.68
  4. Step 4: Simplify right side
    7,832.16x = 31,036,517.15
  5. Step 5: Solve for x
    x = 31,036,517.15/7,832.16
  6. Step 6: Final answer
    x = 3,962.70

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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.