Home / 11,722.52-16,174.58-6,943.98

Finding the Fourth Proportional to 11,722.52, 16,174.58 and 6,943.98

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Solution

The fourth proportional to 11,722.52, 16,174.58 and 6,943.98 is: 9,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.52 : 16,174.58 = 6,943.98 : x
  2. Step 2: Convert to fraction form
    11,722.52/16,174.58 = 6,943.98/x
  3. Step 3: Cross multiply
    11,722.52x = 16,174.58 × 6,943.98
  4. Step 4: Simplify right side
    11,722.52x = 112,315,890.69
  5. Step 5: Solve for x
    x = 112,315,890.69/11,722.52
  6. Step 6: Final answer
    x = 9,581.20

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1.5x scale

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.