Home / 8,933.47-13,378.86-4,974.89

Finding the Fourth Proportional to 8,933.47, 13,378.86 and 4,974.89

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Solution

The fourth proportional to 8,933.47, 13,378.86 and 4,974.89 is: 7,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.47 : 13,378.86 = 4,974.89 : x
  2. Step 2: Convert to fraction form
    8,933.47/13,378.86 = 4,974.89/x
  3. Step 3: Cross multiply
    8,933.47x = 13,378.86 × 4,974.89
  4. Step 4: Simplify right side
    8,933.47x = 66,558,289.93
  5. Step 5: Solve for x
    x = 66,558,289.93/8,933.47
  6. Step 6: Final answer
    x = 7,450.44

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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.