Home / 7,445.27-11,155.48-5,249.43

Finding the Fourth Proportional to 7,445.27, 11,155.48 and 5,249.43

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Solution

The fourth proportional to 7,445.27, 11,155.48 and 5,249.43 is: 7,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.27 : 11,155.48 = 5,249.43 : x
  2. Step 2: Convert to fraction form
    7,445.27/11,155.48 = 5,249.43/x
  3. Step 3: Cross multiply
    7,445.27x = 11,155.48 × 5,249.43
  4. Step 4: Simplify right side
    7,445.27x = 58,559,911.38
  5. Step 5: Solve for x
    x = 58,559,911.38/7,445.27
  6. Step 6: Final answer
    x = 7,865.38

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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.