Home / 9,179.72-12,663.16-5,816.60

Finding the Fourth Proportional to 9,179.72, 12,663.16 and 5,816.60

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Solution

The fourth proportional to 9,179.72, 12,663.16 and 5,816.60 is: 8,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.72 : 12,663.16 = 5,816.60 : x
  2. Step 2: Convert to fraction form
    9,179.72/12,663.16 = 5,816.60/x
  3. Step 3: Cross multiply
    9,179.72x = 12,663.16 × 5,816.60
  4. Step 4: Simplify right side
    9,179.72x = 73,656,536.46
  5. Step 5: Solve for x
    x = 73,656,536.46/9,179.72
  6. Step 6: Final answer
    x = 8,023.83

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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.