Home / 10,013.21-13,817.64-5,536.68

Finding the Fourth Proportional to 10,013.21, 13,817.64 and 5,536.68

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Solution

The fourth proportional to 10,013.21, 13,817.64 and 5,536.68 is: 7,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.21 : 13,817.64 = 5,536.68 : x
  2. Step 2: Convert to fraction form
    10,013.21/13,817.64 = 5,536.68/x
  3. Step 3: Cross multiply
    10,013.21x = 13,817.64 × 5,536.68
  4. Step 4: Simplify right side
    10,013.21x = 76,503,851.04
  5. Step 5: Solve for x
    x = 76,503,851.04/10,013.21
  6. Step 6: Final answer
    x = 7,640.29

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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.