Home / 7,733.50-11,600.70-2,187.28

Finding the Fourth Proportional to 7,733.50, 11,600.70 and 2,187.28

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Solution

The fourth proportional to 7,733.50, 11,600.70 and 2,187.28 is: 3,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,733.50 : 11,600.70 = 2,187.28 : x
  2. Step 2: Convert to fraction form
    7,733.50/11,600.70 = 2,187.28/x
  3. Step 3: Cross multiply
    7,733.50x = 11,600.70 × 2,187.28
  4. Step 4: Simplify right side
    7,733.50x = 25,373,979.10
  5. Step 5: Solve for x
    x = 25,373,979.10/7,733.50
  6. Step 6: Final answer
    x = 3,281.05

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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.