Home / 11,315.40-16,973.10-3,524.22

Finding the Fourth Proportional to 11,315.40, 16,973.10 and 3,524.22

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Solution

The fourth proportional to 11,315.40, 16,973.10 and 3,524.22 is: 5,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.40 : 16,973.10 = 3,524.22 : x
  2. Step 2: Convert to fraction form
    11,315.40/16,973.10 = 3,524.22/x
  3. Step 3: Cross multiply
    11,315.40x = 16,973.10 × 3,524.22
  4. Step 4: Simplify right side
    11,315.40x = 59,816,938.48
  5. Step 5: Solve for x
    x = 59,816,938.48/11,315.40
  6. Step 6: Final answer
    x = 5,286.33

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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.