Home / 9,712.50-13,408.37-6,882.22

Finding the Fourth Proportional to 9,712.50, 13,408.37 and 6,882.22

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Solution

The fourth proportional to 9,712.50, 13,408.37 and 6,882.22 is: 9,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.50 : 13,408.37 = 6,882.22 : x
  2. Step 2: Convert to fraction form
    9,712.50/13,408.37 = 6,882.22/x
  3. Step 3: Cross multiply
    9,712.50x = 13,408.37 × 6,882.22
  4. Step 4: Simplify right side
    9,712.50x = 92,279,352.18
  5. Step 5: Solve for x
    x = 92,279,352.18/9,712.50
  6. Step 6: Final answer
    x = 9,501.09

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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.