Home / 10,351.57-15,529.67-3,777.76

Finding the Fourth Proportional to 10,351.57, 15,529.67 and 3,777.76

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Solution

The fourth proportional to 10,351.57, 15,529.67 and 3,777.76 is: 5,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.57 : 15,529.67 = 3,777.76 : x
  2. Step 2: Convert to fraction form
    10,351.57/15,529.67 = 3,777.76/x
  3. Step 3: Cross multiply
    10,351.57x = 15,529.67 × 3,777.76
  4. Step 4: Simplify right side
    10,351.57x = 58,667,366.14
  5. Step 5: Solve for x
    x = 58,667,366.14/10,351.57
  6. Step 6: Final answer
    x = 5,667.48

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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.