Home / 9,981.87-14,972.28-2,961.93

Finding the Fourth Proportional to 9,981.87, 14,972.28 and 2,961.93

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Solution

The fourth proportional to 9,981.87, 14,972.28 and 2,961.93 is: 4,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.87 : 14,972.28 = 2,961.93 : x
  2. Step 2: Convert to fraction form
    9,981.87/14,972.28 = 2,961.93/x
  3. Step 3: Cross multiply
    9,981.87x = 14,972.28 × 2,961.93
  4. Step 4: Simplify right side
    9,981.87x = 44,346,845.30
  5. Step 5: Solve for x
    x = 44,346,845.30/9,981.87
  6. Step 6: Final answer
    x = 4,442.74

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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.