Home / 11,216.70-16,822.98-4,195.08

Finding the Fourth Proportional to 11,216.70, 16,822.98 and 4,195.08

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Solution

The fourth proportional to 11,216.70, 16,822.98 and 4,195.08 is: 6,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.70 : 16,822.98 = 4,195.08 : x
  2. Step 2: Convert to fraction form
    11,216.70/16,822.98 = 4,195.08/x
  3. Step 3: Cross multiply
    11,216.70x = 16,822.98 × 4,195.08
  4. Step 4: Simplify right side
    11,216.70x = 70,573,746.94
  5. Step 5: Solve for x
    x = 70,573,746.94/11,216.70
  6. Step 6: Final answer
    x = 6,291.85

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1.5x scale

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.