Home / 7,974.48-11,951.19-6,118.50

Finding the Fourth Proportional to 7,974.48, 11,951.19 and 6,118.50

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Solution

The fourth proportional to 7,974.48, 11,951.19 and 6,118.50 is: 9,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.48 : 11,951.19 = 6,118.50 : x
  2. Step 2: Convert to fraction form
    7,974.48/11,951.19 = 6,118.50/x
  3. Step 3: Cross multiply
    7,974.48x = 11,951.19 × 6,118.50
  4. Step 4: Simplify right side
    7,974.48x = 73,123,356.02
  5. Step 5: Solve for x
    x = 73,123,356.02/7,974.48
  6. Step 6: Final answer
    x = 9,169.67

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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.