Home / 11,625.35-16,042.81-6,320.12

Finding the Fourth Proportional to 11,625.35, 16,042.81 and 6,320.12

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Solution

The fourth proportional to 11,625.35, 16,042.81 and 6,320.12 is: 8,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.35 : 16,042.81 = 6,320.12 : x
  2. Step 2: Convert to fraction form
    11,625.35/16,042.81 = 6,320.12/x
  3. Step 3: Cross multiply
    11,625.35x = 16,042.81 × 6,320.12
  4. Step 4: Simplify right side
    11,625.35x = 101,392,452.74
  5. Step 5: Solve for x
    x = 101,392,452.74/11,625.35
  6. Step 6: Final answer
    x = 8,721.67

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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.