Home / 11,036.20-16,554.30-3,640.90

Finding the Fourth Proportional to 11,036.20, 16,554.30 and 3,640.90

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Solution

The fourth proportional to 11,036.20, 16,554.30 and 3,640.90 is: 5,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.20 : 16,554.30 = 3,640.90 : x
  2. Step 2: Convert to fraction form
    11,036.20/16,554.30 = 3,640.90/x
  3. Step 3: Cross multiply
    11,036.20x = 16,554.30 × 3,640.90
  4. Step 4: Simplify right side
    11,036.20x = 60,272,550.87
  5. Step 5: Solve for x
    x = 60,272,550.87/11,036.20
  6. Step 6: Final answer
    x = 5,461.35

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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.