Home / 8,220.93-12,332.01-2,377.99

Finding the Fourth Proportional to 8,220.93, 12,332.01 and 2,377.99

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Solution

The fourth proportional to 8,220.93, 12,332.01 and 2,377.99 is: 3,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.93 : 12,332.01 = 2,377.99 : x
  2. Step 2: Convert to fraction form
    8,220.93/12,332.01 = 2,377.99/x
  3. Step 3: Cross multiply
    8,220.93x = 12,332.01 × 2,377.99
  4. Step 4: Simplify right side
    8,220.93x = 29,325,420.79
  5. Step 5: Solve for x
    x = 29,325,420.79/8,220.93
  6. Step 6: Final answer
    x = 3,567.17

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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.