Home / 7,561.28-10,434.54-4,249.28

Finding the Fourth Proportional to 7,561.28, 10,434.54 and 4,249.28

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Solution

The fourth proportional to 7,561.28, 10,434.54 and 4,249.28 is: 5,863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.28 : 10,434.54 = 4,249.28 : x
  2. Step 2: Convert to fraction form
    7,561.28/10,434.54 = 4,249.28/x
  3. Step 3: Cross multiply
    7,561.28x = 10,434.54 × 4,249.28
  4. Step 4: Simplify right side
    7,561.28x = 44,339,282.13
  5. Step 5: Solve for x
    x = 44,339,282.13/7,561.28
  6. Step 6: Final answer
    x = 5,863.99

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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.