Home / 9,179.46-12,666.66-5,200.50

Finding the Fourth Proportional to 9,179.46, 12,666.66 and 5,200.50

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Solution

The fourth proportional to 9,179.46, 12,666.66 and 5,200.50 is: 7,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.46 : 12,666.66 = 5,200.50 : x
  2. Step 2: Convert to fraction form
    9,179.46/12,666.66 = 5,200.50/x
  3. Step 3: Cross multiply
    9,179.46x = 12,666.66 × 5,200.50
  4. Step 4: Simplify right side
    9,179.46x = 65,872,965.33
  5. Step 5: Solve for x
    x = 65,872,965.33/9,179.46
  6. Step 6: Final answer
    x = 7,176.13

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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.