Home / 10,549.69-15,819.67-3,884.51

Finding the Fourth Proportional to 10,549.69, 15,819.67 and 3,884.51

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Solution

The fourth proportional to 10,549.69, 15,819.67 and 3,884.51 is: 5,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.69 : 15,819.67 = 3,884.51 : x
  2. Step 2: Convert to fraction form
    10,549.69/15,819.67 = 3,884.51/x
  3. Step 3: Cross multiply
    10,549.69x = 15,819.67 × 3,884.51
  4. Step 4: Simplify right side
    10,549.69x = 61,451,718.53
  5. Step 5: Solve for x
    x = 61,451,718.53/10,549.69
  6. Step 6: Final answer
    x = 5,824.98

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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.