Home / 7,974.80-11,970.89-4,646.67

Finding the Fourth Proportional to 7,974.80, 11,970.89 and 4,646.67

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Solution

The fourth proportional to 7,974.80, 11,970.89 and 4,646.67 is: 6,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.80 : 11,970.89 = 4,646.67 : x
  2. Step 2: Convert to fraction form
    7,974.80/11,970.89 = 4,646.67/x
  3. Step 3: Cross multiply
    7,974.80x = 11,970.89 × 4,646.67
  4. Step 4: Simplify right side
    7,974.80x = 55,624,724.74
  5. Step 5: Solve for x
    x = 55,624,724.74/7,974.80
  6. Step 6: Final answer
    x = 6,975.06

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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.