Home / 7,209.36-9,948.70-4,022.74

Finding the Fourth Proportional to 7,209.36, 9,948.70 and 4,022.74

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Solution

The fourth proportional to 7,209.36, 9,948.70 and 4,022.74 is: 5,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.36 : 9,948.70 = 4,022.74 : x
  2. Step 2: Convert to fraction form
    7,209.36/9,948.70 = 4,022.74/x
  3. Step 3: Cross multiply
    7,209.36x = 9,948.70 × 4,022.74
  4. Step 4: Simplify right side
    7,209.36x = 40,021,033.44
  5. Step 5: Solve for x
    x = 40,021,033.44/7,209.36
  6. Step 6: Final answer
    x = 5,551.26

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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.