Home / 6,916.96-9,540.12-4,399.48

Finding the Fourth Proportional to 6,916.96, 9,540.12 and 4,399.48

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Solution

The fourth proportional to 6,916.96, 9,540.12 and 4,399.48 is: 6,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.96 : 9,540.12 = 4,399.48 : x
  2. Step 2: Convert to fraction form
    6,916.96/9,540.12 = 4,399.48/x
  3. Step 3: Cross multiply
    6,916.96x = 9,540.12 × 4,399.48
  4. Step 4: Simplify right side
    6,916.96x = 41,971,567.14
  5. Step 5: Solve for x
    x = 41,971,567.14/6,916.96
  6. Step 6: Final answer
    x = 6,067.92

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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.