Home / 6,847.32-9,449.38-4,157.76

Finding the Fourth Proportional to 6,847.32, 9,449.38 and 4,157.76

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Solution

The fourth proportional to 6,847.32, 9,449.38 and 4,157.76 is: 5,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.32 : 9,449.38 = 4,157.76 : x
  2. Step 2: Convert to fraction form
    6,847.32/9,449.38 = 4,157.76/x
  3. Step 3: Cross multiply
    6,847.32x = 9,449.38 × 4,157.76
  4. Step 4: Simplify right side
    6,847.32x = 39,288,254.19
  5. Step 5: Solve for x
    x = 39,288,254.19/6,847.32
  6. Step 6: Final answer
    x = 5,737.76

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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.