Home / 8,009.78-11,053.38-4,473.04

Finding the Fourth Proportional to 8,009.78, 11,053.38 and 4,473.04

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Solution

The fourth proportional to 8,009.78, 11,053.38 and 4,473.04 is: 6,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.78 : 11,053.38 = 4,473.04 : x
  2. Step 2: Convert to fraction form
    8,009.78/11,053.38 = 4,473.04/x
  3. Step 3: Cross multiply
    8,009.78x = 11,053.38 × 4,473.04
  4. Step 4: Simplify right side
    8,009.78x = 49,442,210.88
  5. Step 5: Solve for x
    x = 49,442,210.88/8,009.78
  6. Step 6: Final answer
    x = 6,172.73

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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.