Home / 12,217.26-16,859.81-6,911.96

Finding the Fourth Proportional to 12,217.26, 16,859.81 and 6,911.96

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Solution

The fourth proportional to 12,217.26, 16,859.81 and 6,911.96 is: 9,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.26 : 16,859.81 = 6,911.96 : x
  2. Step 2: Convert to fraction form
    12,217.26/16,859.81 = 6,911.96/x
  3. Step 3: Cross multiply
    12,217.26x = 16,859.81 × 6,911.96
  4. Step 4: Simplify right side
    12,217.26x = 116,534,332.33
  5. Step 5: Solve for x
    x = 116,534,332.33/12,217.26
  6. Step 6: Final answer
    x = 9,538.50

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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.