Home / 9,981.50-14,972.19-2,585.94

Finding the Fourth Proportional to 9,981.50, 14,972.19 and 2,585.94

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Solution

The fourth proportional to 9,981.50, 14,972.19 and 2,585.94 is: 3,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.50 : 14,972.19 = 2,585.94 : x
  2. Step 2: Convert to fraction form
    9,981.50/14,972.19 = 2,585.94/x
  3. Step 3: Cross multiply
    9,981.50x = 14,972.19 × 2,585.94
  4. Step 4: Simplify right side
    9,981.50x = 38,717,185.01
  5. Step 5: Solve for x
    x = 38,717,185.01/9,981.50
  6. Step 6: Final answer
    x = 3,878.89

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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.