Home / 11,184.68-15,438.33-7,205.76

Finding the Fourth Proportional to 11,184.68, 15,438.33 and 7,205.76

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Solution

The fourth proportional to 11,184.68, 15,438.33 and 7,205.76 is: 9,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.68 : 15,438.33 = 7,205.76 : x
  2. Step 2: Convert to fraction form
    11,184.68/15,438.33 = 7,205.76/x
  3. Step 3: Cross multiply
    11,184.68x = 15,438.33 × 7,205.76
  4. Step 4: Simplify right side
    11,184.68x = 111,244,900.78
  5. Step 5: Solve for x
    x = 111,244,900.78/11,184.68
  6. Step 6: Final answer
    x = 9,946.18

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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.