Home / 10,013.25-13,818.01-5,536.85

Finding the Fourth Proportional to 10,013.25, 13,818.01 and 5,536.85

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Solution

The fourth proportional to 10,013.25, 13,818.01 and 5,536.85 is: 7,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.25 : 13,818.01 = 5,536.85 : x
  2. Step 2: Convert to fraction form
    10,013.25/13,818.01 = 5,536.85/x
  3. Step 3: Cross multiply
    10,013.25x = 13,818.01 × 5,536.85
  4. Step 4: Simplify right side
    10,013.25x = 76,508,220.98
  5. Step 5: Solve for x
    x = 76,508,220.98/10,013.25
  6. Step 6: Final answer
    x = 7,640.70

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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.