Home / 10,958.14-15,119.39-6,707.66

Finding the Fourth Proportional to 10,958.14, 15,119.39 and 6,707.66

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Solution

The fourth proportional to 10,958.14, 15,119.39 and 6,707.66 is: 9,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.14 : 15,119.39 = 6,707.66 : x
  2. Step 2: Convert to fraction form
    10,958.14/15,119.39 = 6,707.66/x
  3. Step 3: Cross multiply
    10,958.14x = 15,119.39 × 6,707.66
  4. Step 4: Simplify right side
    10,958.14x = 101,415,693.99
  5. Step 5: Solve for x
    x = 101,415,693.99/10,958.14
  6. Step 6: Final answer
    x = 9,254.83

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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.