Home / 11,433.60-17,155.51-7,272.53

Finding the Fourth Proportional to 11,433.60, 17,155.51 and 7,272.53

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Solution

The fourth proportional to 11,433.60, 17,155.51 and 7,272.53 is: 10,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.60 : 17,155.51 = 7,272.53 : x
  2. Step 2: Convert to fraction form
    11,433.60/17,155.51 = 7,272.53/x
  3. Step 3: Cross multiply
    11,433.60x = 17,155.51 × 7,272.53
  4. Step 4: Simplify right side
    11,433.60x = 124,763,857.18
  5. Step 5: Solve for x
    x = 124,763,857.18/11,433.60
  6. Step 6: Final answer
    x = 10,912.04

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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.