Home / 11,232.16-15,481.80-10,290.96

Finding the Fourth Proportional to 11,232.16, 15,481.80 and 10,290.96

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Solution

The fourth proportional to 11,232.16, 15,481.80 and 10,290.96 is: 14,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.16 : 15,481.80 = 10,290.96 : x
  2. Step 2: Convert to fraction form
    11,232.16/15,481.80 = 10,290.96/x
  3. Step 3: Cross multiply
    11,232.16x = 15,481.80 × 10,290.96
  4. Step 4: Simplify right side
    11,232.16x = 159,322,584.53
  5. Step 5: Solve for x
    x = 159,322,584.53/11,232.16
  6. Step 6: Final answer
    x = 14,184.50

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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.