Home / 8,736.17-12,055.53-4,757.31

Finding the Fourth Proportional to 8,736.17, 12,055.53 and 4,757.31

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Solution

The fourth proportional to 8,736.17, 12,055.53 and 4,757.31 is: 6,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.17 : 12,055.53 = 4,757.31 : x
  2. Step 2: Convert to fraction form
    8,736.17/12,055.53 = 4,757.31/x
  3. Step 3: Cross multiply
    8,736.17x = 12,055.53 × 4,757.31
  4. Step 4: Simplify right side
    8,736.17x = 57,351,877.36
  5. Step 5: Solve for x
    x = 57,351,877.36/8,736.17
  6. Step 6: Final answer
    x = 6,564.88

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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.