Home / 10,251.27-15,367.30-5,564.40

Finding the Fourth Proportional to 10,251.27, 15,367.30 and 5,564.40

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Solution

The fourth proportional to 10,251.27, 15,367.30 and 5,564.40 is: 8,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.27 : 15,367.30 = 5,564.40 : x
  2. Step 2: Convert to fraction form
    10,251.27/15,367.30 = 5,564.40/x
  3. Step 3: Cross multiply
    10,251.27x = 15,367.30 × 5,564.40
  4. Step 4: Simplify right side
    10,251.27x = 85,509,804.12
  5. Step 5: Solve for x
    x = 85,509,804.12/10,251.27
  6. Step 6: Final answer
    x = 8,341.39

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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.