Home / 7,835.12-11,752.96-2,641.04

Finding the Fourth Proportional to 7,835.12, 11,752.96 and 2,641.04

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Solution

The fourth proportional to 7,835.12, 11,752.96 and 2,641.04 is: 3,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.12 : 11,752.96 = 2,641.04 : x
  2. Step 2: Convert to fraction form
    7,835.12/11,752.96 = 2,641.04/x
  3. Step 3: Cross multiply
    7,835.12x = 11,752.96 × 2,641.04
  4. Step 4: Simplify right side
    7,835.12x = 31,040,037.48
  5. Step 5: Solve for x
    x = 31,040,037.48/7,835.12
  6. Step 6: Final answer
    x = 3,961.65

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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.