Home / 11,902.32-17,829.60-5,668.38

Finding the Fourth Proportional to 11,902.32, 17,829.60 and 5,668.38

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Solution

The fourth proportional to 11,902.32, 17,829.60 and 5,668.38 is: 8,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902.32 : 17,829.60 = 5,668.38 : x
  2. Step 2: Convert to fraction form
    11,902.32/17,829.60 = 5,668.38/x
  3. Step 3: Cross multiply
    11,902.32x = 17,829.60 × 5,668.38
  4. Step 4: Simplify right side
    11,902.32x = 101,064,948.05
  5. Step 5: Solve for x
    x = 101,064,948.05/11,902.32
  6. Step 6: Final answer
    x = 8,491.20

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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.