Home / 10,578.54-15,869.25-3,653.58

Finding the Fourth Proportional to 10,578.54, 15,869.25 and 3,653.58

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Solution

The fourth proportional to 10,578.54, 15,869.25 and 3,653.58 is: 5,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.54 : 15,869.25 = 3,653.58 : x
  2. Step 2: Convert to fraction form
    10,578.54/15,869.25 = 3,653.58/x
  3. Step 3: Cross multiply
    10,578.54x = 15,869.25 × 3,653.58
  4. Step 4: Simplify right side
    10,578.54x = 57,979,574.42
  5. Step 5: Solve for x
    x = 57,979,574.42/10,578.54
  6. Step 6: Final answer
    x = 5,480.87

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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.