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Finding the Fourth Proportional to 9,329.97, 13,994.96 and 7,113.81

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Solution

The fourth proportional to 9,329.97, 13,994.96 and 7,113.81 is: 10,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.97 : 13,994.96 = 7,113.81 : x
  2. Step 2: Convert to fraction form
    9,329.97/13,994.96 = 7,113.81/x
  3. Step 3: Cross multiply
    9,329.97x = 13,994.96 × 7,113.81
  4. Step 4: Simplify right side
    9,329.97x = 99,557,450.83
  5. Step 5: Solve for x
    x = 99,557,450.83/9,329.97
  6. Step 6: Final answer
    x = 10,670.72

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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.