Home / 10,545.36-15,816.24-3,530.22

Finding the Fourth Proportional to 10,545.36, 15,816.24 and 3,530.22

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Solution

The fourth proportional to 10,545.36, 15,816.24 and 3,530.22 is: 5,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.36 : 15,816.24 = 3,530.22 : x
  2. Step 2: Convert to fraction form
    10,545.36/15,816.24 = 3,530.22/x
  3. Step 3: Cross multiply
    10,545.36x = 15,816.24 × 3,530.22
  4. Step 4: Simplify right side
    10,545.36x = 55,834,806.77
  5. Step 5: Solve for x
    x = 55,834,806.77/10,545.36
  6. Step 6: Final answer
    x = 5,294.73

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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.