Home / 7,887.53-11,833.77-2,340.90

Finding the Fourth Proportional to 7,887.53, 11,833.77 and 2,340.90

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Solution

The fourth proportional to 7,887.53, 11,833.77 and 2,340.90 is: 3,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.53 : 11,833.77 = 2,340.90 : x
  2. Step 2: Convert to fraction form
    7,887.53/11,833.77 = 2,340.90/x
  3. Step 3: Cross multiply
    7,887.53x = 11,833.77 × 2,340.90
  4. Step 4: Simplify right side
    7,887.53x = 27,701,672.19
  5. Step 5: Solve for x
    x = 27,701,672.19/7,887.53
  6. Step 6: Final answer
    x = 3,512.09

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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.