Home / 11,202.66-15,454.48-7,225.04

Finding the Fourth Proportional to 11,202.66, 15,454.48 and 7,225.04

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Solution

The fourth proportional to 11,202.66, 15,454.48 and 7,225.04 is: 9,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.66 : 15,454.48 = 7,225.04 : x
  2. Step 2: Convert to fraction form
    11,202.66/15,454.48 = 7,225.04/x
  3. Step 3: Cross multiply
    11,202.66x = 15,454.48 × 7,225.04
  4. Step 4: Simplify right side
    11,202.66x = 111,659,236.18
  5. Step 5: Solve for x
    x = 111,659,236.18/11,202.66
  6. Step 6: Final answer
    x = 9,967.21

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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.