Home / 6,645.96-9,168.66-5,049.72

Finding the Fourth Proportional to 6,645.96, 9,168.66 and 5,049.72

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Solution

The fourth proportional to 6,645.96, 9,168.66 and 5,049.72 is: 6,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.96 : 9,168.66 = 5,049.72 : x
  2. Step 2: Convert to fraction form
    6,645.96/9,168.66 = 5,049.72/x
  3. Step 3: Cross multiply
    6,645.96x = 9,168.66 × 5,049.72
  4. Step 4: Simplify right side
    6,645.96x = 46,299,165.78
  5. Step 5: Solve for x
    x = 46,299,165.78/6,645.96
  6. Step 6: Final answer
    x = 6,966.51

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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.