Home / 7,887.26-11,833.58-3,507.77

Finding the Fourth Proportional to 7,887.26, 11,833.58 and 3,507.77

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Solution

The fourth proportional to 7,887.26, 11,833.58 and 3,507.77 is: 5,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.26 : 11,833.58 = 3,507.77 : x
  2. Step 2: Convert to fraction form
    7,887.26/11,833.58 = 3,507.77/x
  3. Step 3: Cross multiply
    7,887.26x = 11,833.58 × 3,507.77
  4. Step 4: Simplify right side
    7,887.26x = 41,509,426.52
  5. Step 5: Solve for x
    x = 41,509,426.52/7,887.26
  6. Step 6: Final answer
    x = 5,262.85

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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.