Home / 7,431.36-11,148.90-5,244.36

Finding the Fourth Proportional to 7,431.36, 11,148.90 and 5,244.36

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Solution

The fourth proportional to 7,431.36, 11,148.90 and 5,244.36 is: 7,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.36 : 11,148.90 = 5,244.36 : x
  2. Step 2: Convert to fraction form
    7,431.36/11,148.90 = 5,244.36/x
  3. Step 3: Cross multiply
    7,431.36x = 11,148.90 × 5,244.36
  4. Step 4: Simplify right side
    7,431.36x = 58,468,845.20
  5. Step 5: Solve for x
    x = 58,468,845.20/7,431.36
  6. Step 6: Final answer
    x = 7,867.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.