Home / 9,517.36-13,134.60-5,325.64

Finding the Fourth Proportional to 9,517.36, 13,134.60 and 5,325.64

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Solution

The fourth proportional to 9,517.36, 13,134.60 and 5,325.64 is: 7,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.36 : 13,134.60 = 5,325.64 : x
  2. Step 2: Convert to fraction form
    9,517.36/13,134.60 = 5,325.64/x
  3. Step 3: Cross multiply
    9,517.36x = 13,134.60 × 5,325.64
  4. Step 4: Simplify right side
    9,517.36x = 69,950,151.14
  5. Step 5: Solve for x
    x = 69,950,151.14/9,517.36
  6. Step 6: Final answer
    x = 7,349.74

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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.