Home / 11,475.90-17,215.16-4,902.75

Finding the Fourth Proportional to 11,475.90, 17,215.16 and 4,902.75

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Solution

The fourth proportional to 11,475.90, 17,215.16 and 4,902.75 is: 7,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.90 : 17,215.16 = 4,902.75 : x
  2. Step 2: Convert to fraction form
    11,475.90/17,215.16 = 4,902.75/x
  3. Step 3: Cross multiply
    11,475.90x = 17,215.16 × 4,902.75
  4. Step 4: Simplify right side
    11,475.90x = 84,401,601.18
  5. Step 5: Solve for x
    x = 84,401,601.18/11,475.90
  6. Step 6: Final answer
    x = 7,354.68

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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.