Home / 11,049.27-15,253.64-8,525.71

Finding the Fourth Proportional to 11,049.27, 15,253.64 and 8,525.71

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Solution

The fourth proportional to 11,049.27, 15,253.64 and 8,525.71 is: 11,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.27 : 15,253.64 = 8,525.71 : x
  2. Step 2: Convert to fraction form
    11,049.27/15,253.64 = 8,525.71/x
  3. Step 3: Cross multiply
    11,049.27x = 15,253.64 × 8,525.71
  4. Step 4: Simplify right side
    11,049.27x = 130,048,111.08
  5. Step 5: Solve for x
    x = 130,048,111.08/11,049.27
  6. Step 6: Final answer
    x = 11,769.84

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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.