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Finding the Fourth Proportional to 9,813.99, 14,712.69 and 4,263.14

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Solution

The fourth proportional to 9,813.99, 14,712.69 and 4,263.14 is: 6,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.99 : 14,712.69 = 4,263.14 : x
  2. Step 2: Convert to fraction form
    9,813.99/14,712.69 = 4,263.14/x
  3. Step 3: Cross multiply
    9,813.99x = 14,712.69 × 4,263.14
  4. Step 4: Simplify right side
    9,813.99x = 62,722,257.25
  5. Step 5: Solve for x
    x = 62,722,257.25/9,813.99
  6. Step 6: Final answer
    x = 6,391.11

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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.