Home / 8,660.34-11,951.31-5,475.03

Finding the Fourth Proportional to 8,660.34, 11,951.31 and 5,475.03

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Solution

The fourth proportional to 8,660.34, 11,951.31 and 5,475.03 is: 7,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.34 : 11,951.31 = 5,475.03 : x
  2. Step 2: Convert to fraction form
    8,660.34/11,951.31 = 5,475.03/x
  3. Step 3: Cross multiply
    8,660.34x = 11,951.31 × 5,475.03
  4. Step 4: Simplify right side
    8,660.34x = 65,433,792.93
  5. Step 5: Solve for x
    x = 65,433,792.93/8,660.34
  6. Step 6: Final answer
    x = 7,555.57

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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.