Home / 34,658.12-51,994.20-11,278.28

Finding the Fourth Proportional to 34,658.12, 51,994.20 and 11,278.28

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Solution

The fourth proportional to 34,658.12, 51,994.20 and 11,278.28 is: 16,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.12 : 51,994.20 = 11,278.28 : x
  2. Step 2: Convert to fraction form
    34,658.12/51,994.20 = 11,278.28/x
  3. Step 3: Cross multiply
    34,658.12x = 51,994.20 × 11,278.28
  4. Step 4: Simplify right side
    34,658.12x = 586,405,145.98
  5. Step 5: Solve for x
    x = 586,405,145.98/34,658.12
  6. Step 6: Final answer
    x = 16,919.70

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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.