Home / 7,223.92-9,969.41-4,240.62

Finding the Fourth Proportional to 7,223.92, 9,969.41 and 4,240.62

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Solution

The fourth proportional to 7,223.92, 9,969.41 and 4,240.62 is: 5,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.92 : 9,969.41 = 4,240.62 : x
  2. Step 2: Convert to fraction form
    7,223.92/9,969.41 = 4,240.62/x
  3. Step 3: Cross multiply
    7,223.92x = 9,969.41 × 4,240.62
  4. Step 4: Simplify right side
    7,223.92x = 42,276,490.04
  5. Step 5: Solve for x
    x = 42,276,490.04/7,223.92
  6. Step 6: Final answer
    x = 5,852.29

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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.