Home / 7,356.48-10,147.86-4,839

Finding the Fourth Proportional to 7,356.48, 10,147.86 and 4,839

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Solution

The fourth proportional to 7,356.48, 10,147.86 and 4,839 is: 6,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.48 : 10,147.86 = 4,839 : x
  2. Step 2: Convert to fraction form
    7,356.48/10,147.86 = 4,839/x
  3. Step 3: Cross multiply
    7,356.48x = 10,147.86 × 4,839
  4. Step 4: Simplify right side
    7,356.48x = 49,105,494.54
  5. Step 5: Solve for x
    x = 49,105,494.54/7,356.48
  6. Step 6: Final answer
    x = 6,675.13

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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.