Home / 7,836.16-11,750.77-3,672.80

Finding the Fourth Proportional to 7,836.16, 11,750.77 and 3,672.80

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Solution

The fourth proportional to 7,836.16, 11,750.77 and 3,672.80 is: 5,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.16 : 11,750.77 = 3,672.80 : x
  2. Step 2: Convert to fraction form
    7,836.16/11,750.77 = 3,672.80/x
  3. Step 3: Cross multiply
    7,836.16x = 11,750.77 × 3,672.80
  4. Step 4: Simplify right side
    7,836.16x = 43,158,248.25
  5. Step 5: Solve for x
    x = 43,158,248.25/7,836.16
  6. Step 6: Final answer
    x = 5,507.58

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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.