Home / 11,770.16-16,243.56-6,465.44

Finding the Fourth Proportional to 11,770.16, 16,243.56 and 6,465.44

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Solution

The fourth proportional to 11,770.16, 16,243.56 and 6,465.44 is: 8,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.16 : 16,243.56 = 6,465.44 : x
  2. Step 2: Convert to fraction form
    11,770.16/16,243.56 = 6,465.44/x
  3. Step 3: Cross multiply
    11,770.16x = 16,243.56 × 6,465.44
  4. Step 4: Simplify right side
    11,770.16x = 105,021,762.57
  5. Step 5: Solve for x
    x = 105,021,762.57/11,770.16
  6. Step 6: Final answer
    x = 8,922.71

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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.