Home / 11,343.45-15,651.66-6,626.82

Finding the Fourth Proportional to 11,343.45, 15,651.66 and 6,626.82

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Solution

The fourth proportional to 11,343.45, 15,651.66 and 6,626.82 is: 9,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.45 : 15,651.66 = 6,626.82 : x
  2. Step 2: Convert to fraction form
    11,343.45/15,651.66 = 6,626.82/x
  3. Step 3: Cross multiply
    11,343.45x = 15,651.66 × 6,626.82
  4. Step 4: Simplify right side
    11,343.45x = 103,720,733.52
  5. Step 5: Solve for x
    x = 103,720,733.52/11,343.45
  6. Step 6: Final answer
    x = 9,143.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.