Home / 10,013.22-13,817.80-5,475.82

Finding the Fourth Proportional to 10,013.22, 13,817.80 and 5,475.82

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Solution

The fourth proportional to 10,013.22, 13,817.80 and 5,475.82 is: 7,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.22 : 13,817.80 = 5,475.82 : x
  2. Step 2: Convert to fraction form
    10,013.22/13,817.80 = 5,475.82/x
  3. Step 3: Cross multiply
    10,013.22x = 13,817.80 × 5,475.82
  4. Step 4: Simplify right side
    10,013.22x = 75,663,785.60
  5. Step 5: Solve for x
    x = 75,663,785.60/10,013.22
  6. Step 6: Final answer
    x = 7,556.39

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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.