Home / 11,770.18-16,243.14-6,465.49

Finding the Fourth Proportional to 11,770.18, 16,243.14 and 6,465.49

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Solution

The fourth proportional to 11,770.18, 16,243.14 and 6,465.49 is: 8,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.18 : 16,243.14 = 6,465.49 : x
  2. Step 2: Convert to fraction form
    11,770.18/16,243.14 = 6,465.49/x
  3. Step 3: Cross multiply
    11,770.18x = 16,243.14 × 6,465.49
  4. Step 4: Simplify right side
    11,770.18x = 105,019,859.24
  5. Step 5: Solve for x
    x = 105,019,859.24/11,770.18
  6. Step 6: Final answer
    x = 8,922.54

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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.