Home / 9,981.88-14,974.53-4,135.30

Finding the Fourth Proportional to 9,981.88, 14,974.53 and 4,135.30

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Solution

The fourth proportional to 9,981.88, 14,974.53 and 4,135.30 is: 6,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.88 : 14,974.53 = 4,135.30 : x
  2. Step 2: Convert to fraction form
    9,981.88/14,974.53 = 4,135.30/x
  3. Step 3: Cross multiply
    9,981.88x = 14,974.53 × 4,135.30
  4. Step 4: Simplify right side
    9,981.88x = 61,924,173.91
  5. Step 5: Solve for x
    x = 61,924,173.91/9,981.88
  6. Step 6: Final answer
    x = 6,203.66

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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.