Home / 9,225.92-12,721.72-6,236.56

Finding the Fourth Proportional to 9,225.92, 12,721.72 and 6,236.56

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Solution

The fourth proportional to 9,225.92, 12,721.72 and 6,236.56 is: 8,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.92 : 12,721.72 = 6,236.56 : x
  2. Step 2: Convert to fraction form
    9,225.92/12,721.72 = 6,236.56/x
  3. Step 3: Cross multiply
    9,225.92x = 12,721.72 × 6,236.56
  4. Step 4: Simplify right side
    9,225.92x = 79,339,770.08
  5. Step 5: Solve for x
    x = 79,339,770.08/9,225.92
  6. Step 6: Final answer
    x = 8,599.66

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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.