Home / 8,963.33-12,370.38-5,135.33

Finding the Fourth Proportional to 8,963.33, 12,370.38 and 5,135.33

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Solution

The fourth proportional to 8,963.33, 12,370.38 and 5,135.33 is: 7,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.33 : 12,370.38 = 5,135.33 : x
  2. Step 2: Convert to fraction form
    8,963.33/12,370.38 = 5,135.33/x
  3. Step 3: Cross multiply
    8,963.33x = 12,370.38 × 5,135.33
  4. Step 4: Simplify right side
    8,963.33x = 63,525,983.53
  5. Step 5: Solve for x
    x = 63,525,983.53/8,963.33
  6. Step 6: Final answer
    x = 7,087.32

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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.