Home / 11,263.49-16,869.85-5,424.47

Finding the Fourth Proportional to 11,263.49, 16,869.85 and 5,424.47

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Solution

The fourth proportional to 11,263.49, 16,869.85 and 5,424.47 is: 8,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.49 : 16,869.85 = 5,424.47 : x
  2. Step 2: Convert to fraction form
    11,263.49/16,869.85 = 5,424.47/x
  3. Step 3: Cross multiply
    11,263.49x = 16,869.85 × 5,424.47
  4. Step 4: Simplify right side
    11,263.49x = 91,509,995.23
  5. Step 5: Solve for x
    x = 91,509,995.23/11,263.49
  6. Step 6: Final answer
    x = 8,124.48

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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.