Home / 10,639.62-14,680.62-5,923.89

Finding the Fourth Proportional to 10,639.62, 14,680.62 and 5,923.89

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Solution

The fourth proportional to 10,639.62, 14,680.62 and 5,923.89 is: 8,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.62 : 14,680.62 = 5,923.89 : x
  2. Step 2: Convert to fraction form
    10,639.62/14,680.62 = 5,923.89/x
  3. Step 3: Cross multiply
    10,639.62x = 14,680.62 × 5,923.89
  4. Step 4: Simplify right side
    10,639.62x = 86,966,378.01
  5. Step 5: Solve for x
    x = 86,966,378.01/10,639.62
  6. Step 6: Final answer
    x = 8,173.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.