Home / 11,552.22-15,944.75-9,660.57

Finding the Fourth Proportional to 11,552.22, 15,944.75 and 9,660.57

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Solution

The fourth proportional to 11,552.22, 15,944.75 and 9,660.57 is: 13,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.22 : 15,944.75 = 9,660.57 : x
  2. Step 2: Convert to fraction form
    11,552.22/15,944.75 = 9,660.57/x
  3. Step 3: Cross multiply
    11,552.22x = 15,944.75 × 9,660.57
  4. Step 4: Simplify right side
    11,552.22x = 154,035,301.64
  5. Step 5: Solve for x
    x = 154,035,301.64/11,552.22
  6. Step 6: Final answer
    x = 13,333.83

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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.