Home / 7,178.07-10,757.76-3,012.59

Finding the Fourth Proportional to 7,178.07, 10,757.76 and 3,012.59

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Solution

The fourth proportional to 7,178.07, 10,757.76 and 3,012.59 is: 4,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.07 : 10,757.76 = 3,012.59 : x
  2. Step 2: Convert to fraction form
    7,178.07/10,757.76 = 3,012.59/x
  3. Step 3: Cross multiply
    7,178.07x = 10,757.76 × 3,012.59
  4. Step 4: Simplify right side
    7,178.07x = 32,408,752.74
  5. Step 5: Solve for x
    x = 32,408,752.74/7,178.07
  6. Step 6: Final answer
    x = 4,514.97

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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.