Home / 10,578.40-15,867.15-4,336.36

Finding the Fourth Proportional to 10,578.40, 15,867.15 and 4,336.36

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Solution

The fourth proportional to 10,578.40, 15,867.15 and 4,336.36 is: 6,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.40 : 15,867.15 = 4,336.36 : x
  2. Step 2: Convert to fraction form
    10,578.40/15,867.15 = 4,336.36/x
  3. Step 3: Cross multiply
    10,578.40x = 15,867.15 × 4,336.36
  4. Step 4: Simplify right side
    10,578.40x = 68,805,674.57
  5. Step 5: Solve for x
    x = 68,805,674.57/10,578.40
  6. Step 6: Final answer
    x = 6,504.36

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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.