Home / 9,076.87-12,523.84-5,538.79

Finding the Fourth Proportional to 9,076.87, 12,523.84 and 5,538.79

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Solution

The fourth proportional to 9,076.87, 12,523.84 and 5,538.79 is: 7,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.87 : 12,523.84 = 5,538.79 : x
  2. Step 2: Convert to fraction form
    9,076.87/12,523.84 = 5,538.79/x
  3. Step 3: Cross multiply
    9,076.87x = 12,523.84 × 5,538.79
  4. Step 4: Simplify right side
    9,076.87x = 69,366,919.75
  5. Step 5: Solve for x
    x = 69,366,919.75/9,076.87
  6. Step 6: Final answer
    x = 7,642.16

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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.