Home / 11,225.28-15,496.20-6,507.84

Finding the Fourth Proportional to 11,225.28, 15,496.20 and 6,507.84

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Solution

The fourth proportional to 11,225.28, 15,496.20 and 6,507.84 is: 8,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.28 : 15,496.20 = 6,507.84 : x
  2. Step 2: Convert to fraction form
    11,225.28/15,496.20 = 6,507.84/x
  3. Step 3: Cross multiply
    11,225.28x = 15,496.20 × 6,507.84
  4. Step 4: Simplify right side
    11,225.28x = 100,846,790.21
  5. Step 5: Solve for x
    x = 100,846,790.21/11,225.28
  6. Step 6: Final answer
    x = 8,983.90

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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.