Home / 10,958.14-15,119.85-6,710.12

Finding the Fourth Proportional to 10,958.14, 15,119.85 and 6,710.12

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Solution

The fourth proportional to 10,958.14, 15,119.85 and 6,710.12 is: 9,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.14 : 15,119.85 = 6,710.12 : x
  2. Step 2: Convert to fraction form
    10,958.14/15,119.85 = 6,710.12/x
  3. Step 3: Cross multiply
    10,958.14x = 15,119.85 × 6,710.12
  4. Step 4: Simplify right side
    10,958.14x = 101,456,007.88
  5. Step 5: Solve for x
    x = 101,456,007.88/10,958.14
  6. Step 6: Final answer
    x = 9,258.51

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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.