Home / 8,219.03-12,331.65-4,934.41

Finding the Fourth Proportional to 8,219.03, 12,331.65 and 4,934.41

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Solution

The fourth proportional to 8,219.03, 12,331.65 and 4,934.41 is: 7,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.03 : 12,331.65 = 4,934.41 : x
  2. Step 2: Convert to fraction form
    8,219.03/12,331.65 = 4,934.41/x
  3. Step 3: Cross multiply
    8,219.03x = 12,331.65 × 4,934.41
  4. Step 4: Simplify right side
    8,219.03x = 60,849,392.40
  5. Step 5: Solve for x
    x = 60,849,392.40/8,219.03
  6. Step 6: Final answer
    x = 7,403.48

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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.