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Finding the Fourth Proportional to 9,910.91, 14,860.98 and 4,357.74

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Solution

The fourth proportional to 9,910.91, 14,860.98 and 4,357.74 is: 6,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.91 : 14,860.98 = 4,357.74 : x
  2. Step 2: Convert to fraction form
    9,910.91/14,860.98 = 4,357.74/x
  3. Step 3: Cross multiply
    9,910.91x = 14,860.98 × 4,357.74
  4. Step 4: Simplify right side
    9,910.91x = 64,760,286.99
  5. Step 5: Solve for x
    x = 64,760,286.99/9,910.91
  6. Step 6: Final answer
    x = 6,534.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.