Home / 11,052.45-15,240.69-8,534.97

Finding the Fourth Proportional to 11,052.45, 15,240.69 and 8,534.97

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Solution

The fourth proportional to 11,052.45, 15,240.69 and 8,534.97 is: 11,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.45 : 15,240.69 = 8,534.97 : x
  2. Step 2: Convert to fraction form
    11,052.45/15,240.69 = 8,534.97/x
  3. Step 3: Cross multiply
    11,052.45x = 15,240.69 × 8,534.97
  4. Step 4: Simplify right side
    11,052.45x = 130,078,831.93
  5. Step 5: Solve for x
    x = 130,078,831.93/11,052.45
  6. Step 6: Final answer
    x = 11,769.23

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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.