Home / 10,535.88-15,806.22-3,515.34

Finding the Fourth Proportional to 10,535.88, 15,806.22 and 3,515.34

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Solution

The fourth proportional to 10,535.88, 15,806.22 and 3,515.34 is: 5,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.88 : 15,806.22 = 3,515.34 : x
  2. Step 2: Convert to fraction form
    10,535.88/15,806.22 = 3,515.34/x
  3. Step 3: Cross multiply
    10,535.88x = 15,806.22 × 3,515.34
  4. Step 4: Simplify right side
    10,535.88x = 55,564,237.41
  5. Step 5: Solve for x
    x = 55,564,237.41/10,535.88
  6. Step 6: Final answer
    x = 5,273.81

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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.