Home / 9,981.12-14,974.64-2,961.35

Finding the Fourth Proportional to 9,981.12, 14,974.64 and 2,961.35

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Solution

The fourth proportional to 9,981.12, 14,974.64 and 2,961.35 is: 4,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.12 : 14,974.64 = 2,961.35 : x
  2. Step 2: Convert to fraction form
    9,981.12/14,974.64 = 2,961.35/x
  3. Step 3: Cross multiply
    9,981.12x = 14,974.64 × 2,961.35
  4. Step 4: Simplify right side
    9,981.12x = 44,345,060.48
  5. Step 5: Solve for x
    x = 44,345,060.48/9,981.12
  6. Step 6: Final answer
    x = 4,442.89

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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.