Home / 10,001.96-13,801.79-5,525.62

Finding the Fourth Proportional to 10,001.96, 13,801.79 and 5,525.62

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Solution

The fourth proportional to 10,001.96, 13,801.79 and 5,525.62 is: 7,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.96 : 13,801.79 = 5,525.62 : x
  2. Step 2: Convert to fraction form
    10,001.96/13,801.79 = 5,525.62/x
  3. Step 3: Cross multiply
    10,001.96x = 13,801.79 × 5,525.62
  4. Step 4: Simplify right side
    10,001.96x = 76,263,446.86
  5. Step 5: Solve for x
    x = 76,263,446.86/10,001.96
  6. Step 6: Final answer
    x = 7,624.85

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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.