Home / 6,555.18-9,039.20-4,873.88

Finding the Fourth Proportional to 6,555.18, 9,039.20 and 4,873.88

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Solution

The fourth proportional to 6,555.18, 9,039.20 and 4,873.88 is: 6,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.18 : 9,039.20 = 4,873.88 : x
  2. Step 2: Convert to fraction form
    6,555.18/9,039.20 = 4,873.88/x
  3. Step 3: Cross multiply
    6,555.18x = 9,039.20 × 4,873.88
  4. Step 4: Simplify right side
    6,555.18x = 44,055,976.10
  5. Step 5: Solve for x
    x = 44,055,976.10/6,555.18
  6. Step 6: Final answer
    x = 6,720.79

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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.