Home / 9,055.16-13,579.56-4,310.78

Finding the Fourth Proportional to 9,055.16, 13,579.56 and 4,310.78

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Solution

The fourth proportional to 9,055.16, 13,579.56 and 4,310.78 is: 6,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.16 : 13,579.56 = 4,310.78 : x
  2. Step 2: Convert to fraction form
    9,055.16/13,579.56 = 4,310.78/x
  3. Step 3: Cross multiply
    9,055.16x = 13,579.56 × 4,310.78
  4. Step 4: Simplify right side
    9,055.16x = 58,538,495.66
  5. Step 5: Solve for x
    x = 58,538,495.66/9,055.16
  6. Step 6: Final answer
    x = 6,464.66

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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.