Home / 10,824.59-14,940.43-6,349.78

Finding the Fourth Proportional to 10,824.59, 14,940.43 and 6,349.78

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Solution

The fourth proportional to 10,824.59, 14,940.43 and 6,349.78 is: 8,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.59 : 14,940.43 = 6,349.78 : x
  2. Step 2: Convert to fraction form
    10,824.59/14,940.43 = 6,349.78/x
  3. Step 3: Cross multiply
    10,824.59x = 14,940.43 × 6,349.78
  4. Step 4: Simplify right side
    10,824.59x = 94,868,443.61
  5. Step 5: Solve for x
    x = 94,868,443.61/10,824.59
  6. Step 6: Final answer
    x = 8,764.16

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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.