Home / 12,077.97-16,667.34-6,772.67

Finding the Fourth Proportional to 12,077.97, 16,667.34 and 6,772.67

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Solution

The fourth proportional to 12,077.97, 16,667.34 and 6,772.67 is: 9,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.97 : 16,667.34 = 6,772.67 : x
  2. Step 2: Convert to fraction form
    12,077.97/16,667.34 = 6,772.67/x
  3. Step 3: Cross multiply
    12,077.97x = 16,667.34 × 6,772.67
  4. Step 4: Simplify right side
    12,077.97x = 112,882,393.60
  5. Step 5: Solve for x
    x = 112,882,393.60/12,077.97
  6. Step 6: Final answer
    x = 9,346.14

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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.