Home / 10,815.41-16,223.27-4,574.64

Finding the Fourth Proportional to 10,815.41, 16,223.27 and 4,574.64

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Solution

The fourth proportional to 10,815.41, 16,223.27 and 4,574.64 is: 6,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.41 : 16,223.27 = 4,574.64 : x
  2. Step 2: Convert to fraction form
    10,815.41/16,223.27 = 4,574.64/x
  3. Step 3: Cross multiply
    10,815.41x = 16,223.27 × 4,574.64
  4. Step 4: Simplify right side
    10,815.41x = 74,215,619.87
  5. Step 5: Solve for x
    x = 74,215,619.87/10,815.41
  6. Step 6: Final answer
    x = 6,862.03

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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.