Home / 10,291.49-14,202.22-5,575.76

Finding the Fourth Proportional to 10,291.49, 14,202.22 and 5,575.76

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Solution

The fourth proportional to 10,291.49, 14,202.22 and 5,575.76 is: 7,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.49 : 14,202.22 = 5,575.76 : x
  2. Step 2: Convert to fraction form
    10,291.49/14,202.22 = 5,575.76/x
  3. Step 3: Cross multiply
    10,291.49x = 14,202.22 × 5,575.76
  4. Step 4: Simplify right side
    10,291.49x = 79,188,170.19
  5. Step 5: Solve for x
    x = 79,188,170.19/10,291.49
  6. Step 6: Final answer
    x = 7,694.53

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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.