Home / 8,943.17-13,420.85-5,984.96

Finding the Fourth Proportional to 8,943.17, 13,420.85 and 5,984.96

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Solution

The fourth proportional to 8,943.17, 13,420.85 and 5,984.96 is: 8,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.17 : 13,420.85 = 5,984.96 : x
  2. Step 2: Convert to fraction form
    8,943.17/13,420.85 = 5,984.96/x
  3. Step 3: Cross multiply
    8,943.17x = 13,420.85 × 5,984.96
  4. Step 4: Simplify right side
    8,943.17x = 80,323,153.39
  5. Step 5: Solve for x
    x = 80,323,153.39/8,943.17
  6. Step 6: Final answer
    x = 8,981.51

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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.