Home / 7,218.46-9,961.59-4,032.03

Finding the Fourth Proportional to 7,218.46, 9,961.59 and 4,032.03

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Solution

The fourth proportional to 7,218.46, 9,961.59 and 4,032.03 is: 5,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.46 : 9,961.59 = 4,032.03 : x
  2. Step 2: Convert to fraction form
    7,218.46/9,961.59 = 4,032.03/x
  3. Step 3: Cross multiply
    7,218.46x = 9,961.59 × 4,032.03
  4. Step 4: Simplify right side
    7,218.46x = 40,165,429.73
  5. Step 5: Solve for x
    x = 40,165,429.73/7,218.46
  6. Step 6: Final answer
    x = 5,564.27

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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.