Home / 10,922.92-16,384.23-7,703.95

Finding the Fourth Proportional to 10,922.92, 16,384.23 and 7,703.95

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Solution

The fourth proportional to 10,922.92, 16,384.23 and 7,703.95 is: 11,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.92 : 16,384.23 = 7,703.95 : x
  2. Step 2: Convert to fraction form
    10,922.92/16,384.23 = 7,703.95/x
  3. Step 3: Cross multiply
    10,922.92x = 16,384.23 × 7,703.95
  4. Step 4: Simplify right side
    10,922.92x = 126,223,288.71
  5. Step 5: Solve for x
    x = 126,223,288.71/10,922.92
  6. Step 6: Final answer
    x = 11,555.82

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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.