Home / 11,567.16-15,961.70-6,786.61

Finding the Fourth Proportional to 11,567.16, 15,961.70 and 6,786.61

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Solution

The fourth proportional to 11,567.16, 15,961.70 and 6,786.61 is: 9,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.16 : 15,961.70 = 6,786.61 : x
  2. Step 2: Convert to fraction form
    11,567.16/15,961.70 = 6,786.61/x
  3. Step 3: Cross multiply
    11,567.16x = 15,961.70 × 6,786.61
  4. Step 4: Simplify right side
    11,567.16x = 108,325,809.90
  5. Step 5: Solve for x
    x = 108,325,809.90/11,567.16
  6. Step 6: Final answer
    x = 9,364.94

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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.