Home / 11,899.28-17,829.48-7,502.60

Finding the Fourth Proportional to 11,899.28, 17,829.48 and 7,502.60

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Solution

The fourth proportional to 11,899.28, 17,829.48 and 7,502.60 is: 11,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.28 : 17,829.48 = 7,502.60 : x
  2. Step 2: Convert to fraction form
    11,899.28/17,829.48 = 7,502.60/x
  3. Step 3: Cross multiply
    11,899.28x = 17,829.48 × 7,502.60
  4. Step 4: Simplify right side
    11,899.28x = 133,767,456.65
  5. Step 5: Solve for x
    x = 133,767,456.65/11,899.28
  6. Step 6: Final answer
    x = 11,241.64

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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.