Home / 8,603.26-11,872.51-5,020.68

Finding the Fourth Proportional to 8,603.26, 11,872.51 and 5,020.68

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Solution

The fourth proportional to 8,603.26, 11,872.51 and 5,020.68 is: 6,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.26 : 11,872.51 = 5,020.68 : x
  2. Step 2: Convert to fraction form
    8,603.26/11,872.51 = 5,020.68/x
  3. Step 3: Cross multiply
    8,603.26x = 11,872.51 × 5,020.68
  4. Step 4: Simplify right side
    8,603.26x = 59,608,105.48
  5. Step 5: Solve for x
    x = 59,608,105.48/8,603.26
  6. Step 6: Final answer
    x = 6,928.55

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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.