Home / 11,748.08-17,622.12-5,174.30

Finding the Fourth Proportional to 11,748.08, 17,622.12 and 5,174.30

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Solution

The fourth proportional to 11,748.08, 17,622.12 and 5,174.30 is: 7,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.08 : 17,622.12 = 5,174.30 : x
  2. Step 2: Convert to fraction form
    11,748.08/17,622.12 = 5,174.30/x
  3. Step 3: Cross multiply
    11,748.08x = 17,622.12 × 5,174.30
  4. Step 4: Simplify right side
    11,748.08x = 91,182,135.52
  5. Step 5: Solve for x
    x = 91,182,135.52/11,748.08
  6. Step 6: Final answer
    x = 7,761.45

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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.