Home / 9,881.43-14,821.74-3,307.11

Finding the Fourth Proportional to 9,881.43, 14,821.74 and 3,307.11

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Solution

The fourth proportional to 9,881.43, 14,821.74 and 3,307.11 is: 4,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.43 : 14,821.74 = 3,307.11 : x
  2. Step 2: Convert to fraction form
    9,881.43/14,821.74 = 3,307.11/x
  3. Step 3: Cross multiply
    9,881.43x = 14,821.74 × 3,307.11
  4. Step 4: Simplify right side
    9,881.43x = 49,017,124.57
  5. Step 5: Solve for x
    x = 49,017,124.57/9,881.43
  6. Step 6: Final answer
    x = 4,960.53

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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.