Home / 7,107.06-9,807.03-3,963.30

Finding the Fourth Proportional to 7,107.06, 9,807.03 and 3,963.30

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Solution

The fourth proportional to 7,107.06, 9,807.03 and 3,963.30 is: 5,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.06 : 9,807.03 = 3,963.30 : x
  2. Step 2: Convert to fraction form
    7,107.06/9,807.03 = 3,963.30/x
  3. Step 3: Cross multiply
    7,107.06x = 9,807.03 × 3,963.30
  4. Step 4: Simplify right side
    7,107.06x = 38,868,202.00
  5. Step 5: Solve for x
    x = 38,868,202.00/7,107.06
  6. Step 6: Final answer
    x = 5,468.96

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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.