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Finding the Fourth Proportional to 9,860.76, 14,814.09 and 9,329.94

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Solution

The fourth proportional to 9,860.76, 14,814.09 and 9,329.94 is: 14,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.76 : 14,814.09 = 9,329.94 : x
  2. Step 2: Convert to fraction form
    9,860.76/14,814.09 = 9,329.94/x
  3. Step 3: Cross multiply
    9,860.76x = 14,814.09 × 9,329.94
  4. Step 4: Simplify right side
    9,860.76x = 138,214,570.85
  5. Step 5: Solve for x
    x = 138,214,570.85/9,860.76
  6. Step 6: Final answer
    x = 14,016.62

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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.