Home / 10,386.54-15,578.27-3,367.16

Finding the Fourth Proportional to 10,386.54, 15,578.27 and 3,367.16

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Solution

The fourth proportional to 10,386.54, 15,578.27 and 3,367.16 is: 5,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.54 : 15,578.27 = 3,367.16 : x
  2. Step 2: Convert to fraction form
    10,386.54/15,578.27 = 3,367.16/x
  3. Step 3: Cross multiply
    10,386.54x = 15,578.27 × 3,367.16
  4. Step 4: Simplify right side
    10,386.54x = 52,454,432.89
  5. Step 5: Solve for x
    x = 52,454,432.89/10,386.54
  6. Step 6: Final answer
    x = 5,050.23

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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.