Home / 10,922.24-15,069.07-8,902.19

Finding the Fourth Proportional to 10,922.24, 15,069.07 and 8,902.19

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Solution

The fourth proportional to 10,922.24, 15,069.07 and 8,902.19 is: 12,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.24 : 15,069.07 = 8,902.19 : x
  2. Step 2: Convert to fraction form
    10,922.24/15,069.07 = 8,902.19/x
  3. Step 3: Cross multiply
    10,922.24x = 15,069.07 × 8,902.19
  4. Step 4: Simplify right side
    10,922.24x = 134,147,604.41
  5. Step 5: Solve for x
    x = 134,147,604.41/10,922.24
  6. Step 6: Final answer
    x = 12,282.06

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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.