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Finding the Fourth Proportional to 9,053.87, 12,494.85 and 6,811.73

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Solution

The fourth proportional to 9,053.87, 12,494.85 and 6,811.73 is: 9,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.87 : 12,494.85 = 6,811.73 : x
  2. Step 2: Convert to fraction form
    9,053.87/12,494.85 = 6,811.73/x
  3. Step 3: Cross multiply
    9,053.87x = 12,494.85 × 6,811.73
  4. Step 4: Simplify right side
    9,053.87x = 85,111,482.12
  5. Step 5: Solve for x
    x = 85,111,482.12/9,053.87
  6. Step 6: Final answer
    x = 9,400.57

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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.