Home / 11,472.75-15,825.66-7,217.04

Finding the Fourth Proportional to 11,472.75, 15,825.66 and 7,217.04

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Solution

The fourth proportional to 11,472.75, 15,825.66 and 7,217.04 is: 9,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.75 : 15,825.66 = 7,217.04 : x
  2. Step 2: Convert to fraction form
    11,472.75/15,825.66 = 7,217.04/x
  3. Step 3: Cross multiply
    11,472.75x = 15,825.66 × 7,217.04
  4. Step 4: Simplify right side
    11,472.75x = 114,214,421.25
  5. Step 5: Solve for x
    x = 114,214,421.25/11,472.75
  6. Step 6: Final answer
    x = 9,955.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.