Home / 11,090.70-16,637.67-3,974.40

Finding the Fourth Proportional to 11,090.70, 16,637.67 and 3,974.40

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Solution

The fourth proportional to 11,090.70, 16,637.67 and 3,974.40 is: 5,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.70 : 16,637.67 = 3,974.40 : x
  2. Step 2: Convert to fraction form
    11,090.70/16,637.67 = 3,974.40/x
  3. Step 3: Cross multiply
    11,090.70x = 16,637.67 × 3,974.40
  4. Step 4: Simplify right side
    11,090.70x = 66,124,755.65
  5. Step 5: Solve for x
    x = 66,124,755.65/11,090.70
  6. Step 6: Final answer
    x = 5,962.18

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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.