Home / 8,755.16-13,133.40-2,515.13

Finding the Fourth Proportional to 8,755.16, 13,133.40 and 2,515.13

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Solution

The fourth proportional to 8,755.16, 13,133.40 and 2,515.13 is: 3,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.16 : 13,133.40 = 2,515.13 : x
  2. Step 2: Convert to fraction form
    8,755.16/13,133.40 = 2,515.13/x
  3. Step 3: Cross multiply
    8,755.16x = 13,133.40 × 2,515.13
  4. Step 4: Simplify right side
    8,755.16x = 33,032,208.34
  5. Step 5: Solve for x
    x = 33,032,208.34/8,755.16
  6. Step 6: Final answer
    x = 3,772.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.