Home / 9,997.02-14,985.49-3,418.70

Finding the Fourth Proportional to 9,997.02, 14,985.49 and 3,418.70

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Solution

The fourth proportional to 9,997.02, 14,985.49 and 3,418.70 is: 5,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.02 : 14,985.49 = 3,418.70 : x
  2. Step 2: Convert to fraction form
    9,997.02/14,985.49 = 3,418.70/x
  3. Step 3: Cross multiply
    9,997.02x = 14,985.49 × 3,418.70
  4. Step 4: Simplify right side
    9,997.02x = 51,230,894.66
  5. Step 5: Solve for x
    x = 51,230,894.66/9,997.02
  6. Step 6: Final answer
    x = 5,124.62

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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.