Home / 7,199.25-9,938.30-5,076.51

Finding the Fourth Proportional to 7,199.25, 9,938.30 and 5,076.51

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Solution

The fourth proportional to 7,199.25, 9,938.30 and 5,076.51 is: 7,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.25 : 9,938.30 = 5,076.51 : x
  2. Step 2: Convert to fraction form
    7,199.25/9,938.30 = 5,076.51/x
  3. Step 3: Cross multiply
    7,199.25x = 9,938.30 × 5,076.51
  4. Step 4: Simplify right side
    7,199.25x = 50,451,853.95
  5. Step 5: Solve for x
    x = 50,451,853.95/7,199.25
  6. Step 6: Final answer
    x = 7,007.93

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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.