Home / 8,064.28-11,128.70-4,527.48

Finding the Fourth Proportional to 8,064.28, 11,128.70 and 4,527.48

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Solution

The fourth proportional to 8,064.28, 11,128.70 and 4,527.48 is: 6,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.28 : 11,128.70 = 4,527.48 : x
  2. Step 2: Convert to fraction form
    8,064.28/11,128.70 = 4,527.48/x
  3. Step 3: Cross multiply
    8,064.28x = 11,128.70 × 4,527.48
  4. Step 4: Simplify right side
    8,064.28x = 50,384,966.68
  5. Step 5: Solve for x
    x = 50,384,966.68/8,064.28
  6. Step 6: Final answer
    x = 6,247.92

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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.