Home / 11,729.58-17,596.10-3,408.51

Finding the Fourth Proportional to 11,729.58, 17,596.10 and 3,408.51

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Solution

The fourth proportional to 11,729.58, 17,596.10 and 3,408.51 is: 5,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.58 : 17,596.10 = 3,408.51 : x
  2. Step 2: Convert to fraction form
    11,729.58/17,596.10 = 3,408.51/x
  3. Step 3: Cross multiply
    11,729.58x = 17,596.10 × 3,408.51
  4. Step 4: Simplify right side
    11,729.58x = 59,976,482.81
  5. Step 5: Solve for x
    x = 59,976,482.81/11,729.58
  6. Step 6: Final answer
    x = 5,113.27

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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.