Home / 8,332.78-12,485.32-5,862.41

Finding the Fourth Proportional to 8,332.78, 12,485.32 and 5,862.41

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Solution

The fourth proportional to 8,332.78, 12,485.32 and 5,862.41 is: 8,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.78 : 12,485.32 = 5,862.41 : x
  2. Step 2: Convert to fraction form
    8,332.78/12,485.32 = 5,862.41/x
  3. Step 3: Cross multiply
    8,332.78x = 12,485.32 × 5,862.41
  4. Step 4: Simplify right side
    8,332.78x = 73,194,017.05
  5. Step 5: Solve for x
    x = 73,194,017.05/8,332.78
  6. Step 6: Final answer
    x = 8,783.87

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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.