Home / 9,216.79-12,709.13-6,227.44

Finding the Fourth Proportional to 9,216.79, 12,709.13 and 6,227.44

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Solution

The fourth proportional to 9,216.79, 12,709.13 and 6,227.44 is: 8,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.79 : 12,709.13 = 6,227.44 : x
  2. Step 2: Convert to fraction form
    9,216.79/12,709.13 = 6,227.44/x
  3. Step 3: Cross multiply
    9,216.79x = 12,709.13 × 6,227.44
  4. Step 4: Simplify right side
    9,216.79x = 79,145,281.62
  5. Step 5: Solve for x
    x = 79,145,281.62/9,216.79
  6. Step 6: Final answer
    x = 8,587.08

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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.