Home / 11,278.80-16,924.24-4,709.48

Finding the Fourth Proportional to 11,278.80, 16,924.24 and 4,709.48

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Solution

The fourth proportional to 11,278.80, 16,924.24 and 4,709.48 is: 7,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.80 : 16,924.24 = 4,709.48 : x
  2. Step 2: Convert to fraction form
    11,278.80/16,924.24 = 4,709.48/x
  3. Step 3: Cross multiply
    11,278.80x = 16,924.24 × 4,709.48
  4. Step 4: Simplify right side
    11,278.80x = 79,704,369.80
  5. Step 5: Solve for x
    x = 79,704,369.80/11,278.80
  6. Step 6: Final answer
    x = 7,066.74

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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.