Home / 8,368.22-11,553.14-5,228.66

Finding the Fourth Proportional to 8,368.22, 11,553.14 and 5,228.66

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Solution

The fourth proportional to 8,368.22, 11,553.14 and 5,228.66 is: 7,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.22 : 11,553.14 = 5,228.66 : x
  2. Step 2: Convert to fraction form
    8,368.22/11,553.14 = 5,228.66/x
  3. Step 3: Cross multiply
    8,368.22x = 11,553.14 × 5,228.66
  4. Step 4: Simplify right side
    8,368.22x = 60,407,440.99
  5. Step 5: Solve for x
    x = 60,407,440.99/8,368.22
  6. Step 6: Final answer
    x = 7,218.67

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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.