Home / 7,480.27-11,220.37-1,933.14

Finding the Fourth Proportional to 7,480.27, 11,220.37 and 1,933.14

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Solution

The fourth proportional to 7,480.27, 11,220.37 and 1,933.14 is: 2,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.27 : 11,220.37 = 1,933.14 : x
  2. Step 2: Convert to fraction form
    7,480.27/11,220.37 = 1,933.14/x
  3. Step 3: Cross multiply
    7,480.27x = 11,220.37 × 1,933.14
  4. Step 4: Simplify right side
    7,480.27x = 21,690,541.23
  5. Step 5: Solve for x
    x = 21,690,541.23/7,480.27
  6. Step 6: Final answer
    x = 2,899.70

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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.