Home / 11,642.90-17,475.34-7,750.04

Finding the Fourth Proportional to 11,642.90, 17,475.34 and 7,750.04

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Solution

The fourth proportional to 11,642.90, 17,475.34 and 7,750.04 is: 11,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.90 : 17,475.34 = 7,750.04 : x
  2. Step 2: Convert to fraction form
    11,642.90/17,475.34 = 7,750.04/x
  3. Step 3: Cross multiply
    11,642.90x = 17,475.34 × 7,750.04
  4. Step 4: Simplify right side
    11,642.90x = 135,434,584.01
  5. Step 5: Solve for x
    x = 135,434,584.01/11,642.90
  6. Step 6: Final answer
    x = 11,632.38

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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.