Home / 10,012.39-13,818.11-5,536.48

Finding the Fourth Proportional to 10,012.39, 13,818.11 and 5,536.48

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Solution

The fourth proportional to 10,012.39, 13,818.11 and 5,536.48 is: 7,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.39 : 13,818.11 = 5,536.48 : x
  2. Step 2: Convert to fraction form
    10,012.39/13,818.11 = 5,536.48/x
  3. Step 3: Cross multiply
    10,012.39x = 13,818.11 × 5,536.48
  4. Step 4: Simplify right side
    10,012.39x = 76,503,661.97
  5. Step 5: Solve for x
    x = 76,503,661.97/10,012.39
  6. Step 6: Final answer
    x = 7,640.90

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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.