Home / 6,922.65-9,553.19-3,938.48

Finding the Fourth Proportional to 6,922.65, 9,553.19 and 3,938.48

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Solution

The fourth proportional to 6,922.65, 9,553.19 and 3,938.48 is: 5,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.65 : 9,553.19 = 3,938.48 : x
  2. Step 2: Convert to fraction form
    6,922.65/9,553.19 = 3,938.48/x
  3. Step 3: Cross multiply
    6,922.65x = 9,553.19 × 3,938.48
  4. Step 4: Simplify right side
    6,922.65x = 37,624,980.29
  5. Step 5: Solve for x
    x = 37,624,980.29/6,922.65
  6. Step 6: Final answer
    x = 5,435.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.