Home / 10,529.24-15,782.76-3,507.38

Finding the Fourth Proportional to 10,529.24, 15,782.76 and 3,507.38

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Solution

The fourth proportional to 10,529.24, 15,782.76 and 3,507.38 is: 5,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.24 : 15,782.76 = 3,507.38 : x
  2. Step 2: Convert to fraction form
    10,529.24/15,782.76 = 3,507.38/x
  3. Step 3: Cross multiply
    10,529.24x = 15,782.76 × 3,507.38
  4. Step 4: Simplify right side
    10,529.24x = 55,356,136.77
  5. Step 5: Solve for x
    x = 55,356,136.77/10,529.24
  6. Step 6: Final answer
    x = 5,257.37

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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.