Home / 11,214.92-16,822.56-4,639.52

Finding the Fourth Proportional to 11,214.92, 16,822.56 and 4,639.52

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Solution

The fourth proportional to 11,214.92, 16,822.56 and 4,639.52 is: 6,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.92 : 16,822.56 = 4,639.52 : x
  2. Step 2: Convert to fraction form
    11,214.92/16,822.56 = 4,639.52/x
  3. Step 3: Cross multiply
    11,214.92x = 16,822.56 × 4,639.52
  4. Step 4: Simplify right side
    11,214.92x = 78,048,603.57
  5. Step 5: Solve for x
    x = 78,048,603.57/11,214.92
  6. Step 6: Final answer
    x = 6,959.35

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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.