Home / 7,545.69-11,322.29-3,388.66

Finding the Fourth Proportional to 7,545.69, 11,322.29 and 3,388.66

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Solution

The fourth proportional to 7,545.69, 11,322.29 and 3,388.66 is: 5,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.69 : 11,322.29 = 3,388.66 : x
  2. Step 2: Convert to fraction form
    7,545.69/11,322.29 = 3,388.66/x
  3. Step 3: Cross multiply
    7,545.69x = 11,322.29 × 3,388.66
  4. Step 4: Simplify right side
    7,545.69x = 38,367,371.40
  5. Step 5: Solve for x
    x = 38,367,371.40/7,545.69
  6. Step 6: Final answer
    x = 5,084.67

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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.