Home / 11,525.28-15,906.96-9,036.96

Finding the Fourth Proportional to 11,525.28, 15,906.96 and 9,036.96

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Solution

The fourth proportional to 11,525.28, 15,906.96 and 9,036.96 is: 12,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.28 : 15,906.96 = 9,036.96 : x
  2. Step 2: Convert to fraction form
    11,525.28/15,906.96 = 9,036.96/x
  3. Step 3: Cross multiply
    11,525.28x = 15,906.96 × 9,036.96
  4. Step 4: Simplify right side
    11,525.28x = 143,750,561.24
  5. Step 5: Solve for x
    x = 143,750,561.24/11,525.28
  6. Step 6: Final answer
    x = 12,472.63

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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.