Home / 11,007.12-16,516.08-5,164.20

Finding the Fourth Proportional to 11,007.12, 16,516.08 and 5,164.20

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Solution

The fourth proportional to 11,007.12, 16,516.08 and 5,164.20 is: 7,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.12 : 16,516.08 = 5,164.20 : x
  2. Step 2: Convert to fraction form
    11,007.12/16,516.08 = 5,164.20/x
  3. Step 3: Cross multiply
    11,007.12x = 16,516.08 × 5,164.20
  4. Step 4: Simplify right side
    11,007.12x = 85,292,340.34
  5. Step 5: Solve for x
    x = 85,292,340.34/11,007.12
  6. Step 6: Final answer
    x = 7,748.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.