Home / 8,589.36-11,854.80-4,863.36

Finding the Fourth Proportional to 8,589.36, 11,854.80 and 4,863.36

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Solution

The fourth proportional to 8,589.36, 11,854.80 and 4,863.36 is: 6,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.36 : 11,854.80 = 4,863.36 : x
  2. Step 2: Convert to fraction form
    8,589.36/11,854.80 = 4,863.36/x
  3. Step 3: Cross multiply
    8,589.36x = 11,854.80 × 4,863.36
  4. Step 4: Simplify right side
    8,589.36x = 57,654,160.13
  5. Step 5: Solve for x
    x = 57,654,160.13/8,589.36
  6. Step 6: Final answer
    x = 6,712.28

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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.