Home / 9,981.39-14,969.04-4,136.63

Finding the Fourth Proportional to 9,981.39, 14,969.04 and 4,136.63

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Solution

The fourth proportional to 9,981.39, 14,969.04 and 4,136.63 is: 6,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.39 : 14,969.04 = 4,136.63 : x
  2. Step 2: Convert to fraction form
    9,981.39/14,969.04 = 4,136.63/x
  3. Step 3: Cross multiply
    9,981.39x = 14,969.04 × 4,136.63
  4. Step 4: Simplify right side
    9,981.39x = 61,921,305.09
  5. Step 5: Solve for x
    x = 61,921,305.09/9,981.39
  6. Step 6: Final answer
    x = 6,203.68

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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.