Home / 27,406.12-41,107.74-7,686.04

Finding the Fourth Proportional to 27,406.12, 41,107.74 and 7,686.04

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Solution

The fourth proportional to 27,406.12, 41,107.74 and 7,686.04 is: 11,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.12 : 41,107.74 = 7,686.04 : x
  2. Step 2: Convert to fraction form
    27,406.12/41,107.74 = 7,686.04/x
  3. Step 3: Cross multiply
    27,406.12x = 41,107.74 × 7,686.04
  4. Step 4: Simplify right side
    27,406.12x = 315,955,733.95
  5. Step 5: Solve for x
    x = 315,955,733.95/27,406.12
  6. Step 6: Final answer
    x = 11,528.66

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1.5x scale

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.