Home / 9,540.47-13,165.55-5,561.75

Finding the Fourth Proportional to 9,540.47, 13,165.55 and 5,561.75

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Solution

The fourth proportional to 9,540.47, 13,165.55 and 5,561.75 is: 7,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.47 : 13,165.55 = 5,561.75 : x
  2. Step 2: Convert to fraction form
    9,540.47/13,165.55 = 5,561.75/x
  3. Step 3: Cross multiply
    9,540.47x = 13,165.55 × 5,561.75
  4. Step 4: Simplify right side
    9,540.47x = 73,223,497.71
  5. Step 5: Solve for x
    x = 73,223,497.71/9,540.47
  6. Step 6: Final answer
    x = 7,675.04

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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.