Home / 9,148.78-12,625.32-4,957.03

Finding the Fourth Proportional to 9,148.78, 12,625.32 and 4,957.03

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Solution

The fourth proportional to 9,148.78, 12,625.32 and 4,957.03 is: 6,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.78 : 12,625.32 = 4,957.03 : x
  2. Step 2: Convert to fraction form
    9,148.78/12,625.32 = 4,957.03/x
  3. Step 3: Cross multiply
    9,148.78x = 12,625.32 × 4,957.03
  4. Step 4: Simplify right side
    9,148.78x = 62,584,148.04
  5. Step 5: Solve for x
    x = 62,584,148.04/9,148.78
  6. Step 6: Final answer
    x = 6,840.71

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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.