Home / 10,958.18-16,415.61-7,249.19

Finding the Fourth Proportional to 10,958.18, 16,415.61 and 7,249.19

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Solution

The fourth proportional to 10,958.18, 16,415.61 and 7,249.19 is: 10,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.18 : 16,415.61 = 7,249.19 : x
  2. Step 2: Convert to fraction form
    10,958.18/16,415.61 = 7,249.19/x
  3. Step 3: Cross multiply
    10,958.18x = 16,415.61 × 7,249.19
  4. Step 4: Simplify right side
    10,958.18x = 118,999,793.78
  5. Step 5: Solve for x
    x = 118,999,793.78/10,958.18
  6. Step 6: Final answer
    x = 10,859.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.