Home / 8,133.96-11,215.98-5,296.11

Finding the Fourth Proportional to 8,133.96, 11,215.98 and 5,296.11

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Solution

The fourth proportional to 8,133.96, 11,215.98 and 5,296.11 is: 7,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.96 : 11,215.98 = 5,296.11 : x
  2. Step 2: Convert to fraction form
    8,133.96/11,215.98 = 5,296.11/x
  3. Step 3: Cross multiply
    8,133.96x = 11,215.98 × 5,296.11
  4. Step 4: Simplify right side
    8,133.96x = 59,401,063.84
  5. Step 5: Solve for x
    x = 59,401,063.84/8,133.96
  6. Step 6: Final answer
    x = 7,302.85

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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.