Home / 10,436.38-15,647.13-4,886.68

Finding the Fourth Proportional to 10,436.38, 15,647.13 and 4,886.68

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Solution

The fourth proportional to 10,436.38, 15,647.13 and 4,886.68 is: 7,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.38 : 15,647.13 = 4,886.68 : x
  2. Step 2: Convert to fraction form
    10,436.38/15,647.13 = 4,886.68/x
  3. Step 3: Cross multiply
    10,436.38x = 15,647.13 × 4,886.68
  4. Step 4: Simplify right side
    10,436.38x = 76,462,517.23
  5. Step 5: Solve for x
    x = 76,462,517.23/10,436.38
  6. Step 6: Final answer
    x = 7,326.54

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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.