Home / 7,218.97-9,961.00-4,032.10

Finding the Fourth Proportional to 7,218.97, 9,961.00 and 4,032.10

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Solution

The fourth proportional to 7,218.97, 9,961.00 and 4,032.10 is: 5,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.97 : 9,961.00 = 4,032.10 : x
  2. Step 2: Convert to fraction form
    7,218.97/9,961.00 = 4,032.10/x
  3. Step 3: Cross multiply
    7,218.97x = 9,961.00 × 4,032.10
  4. Step 4: Simplify right side
    7,218.97x = 40,163,727.94
  5. Step 5: Solve for x
    x = 40,163,727.94/7,218.97
  6. Step 6: Final answer
    x = 5,563.64

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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.