Home / 7,316.88-10,097.30-3,959.68

Finding the Fourth Proportional to 7,316.88, 10,097.30 and 3,959.68

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Solution

The fourth proportional to 7,316.88, 10,097.30 and 3,959.68 is: 5,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.88 : 10,097.30 = 3,959.68 : x
  2. Step 2: Convert to fraction form
    7,316.88/10,097.30 = 3,959.68/x
  3. Step 3: Cross multiply
    7,316.88x = 10,097.30 × 3,959.68
  4. Step 4: Simplify right side
    7,316.88x = 39,982,076.86
  5. Step 5: Solve for x
    x = 39,982,076.86/7,316.88
  6. Step 6: Final answer
    x = 5,464.36

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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.