Home / 9,648.88-13,327.68-7,134.64

Finding the Fourth Proportional to 9,648.88, 13,327.68 and 7,134.64

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Solution

The fourth proportional to 9,648.88, 13,327.68 and 7,134.64 is: 9,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.88 : 13,327.68 = 7,134.64 : x
  2. Step 2: Convert to fraction form
    9,648.88/13,327.68 = 7,134.64/x
  3. Step 3: Cross multiply
    9,648.88x = 13,327.68 × 7,134.64
  4. Step 4: Simplify right side
    9,648.88x = 95,088,198.84
  5. Step 5: Solve for x
    x = 95,088,198.84/9,648.88
  6. Step 6: Final answer
    x = 9,854.84

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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.