Home / 11,987.70-16,544.25-6,951.67

Finding the Fourth Proportional to 11,987.70, 16,544.25 and 6,951.67

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Solution

The fourth proportional to 11,987.70, 16,544.25 and 6,951.67 is: 9,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.70 : 16,544.25 = 6,951.67 : x
  2. Step 2: Convert to fraction form
    11,987.70/16,544.25 = 6,951.67/x
  3. Step 3: Cross multiply
    11,987.70x = 16,544.25 × 6,951.67
  4. Step 4: Simplify right side
    11,987.70x = 115,010,166.40
  5. Step 5: Solve for x
    x = 115,010,166.40/11,987.70
  6. Step 6: Final answer
    x = 9,594.01

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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.