Home / 10,291.32-14,202.14-5,575.61

Finding the Fourth Proportional to 10,291.32, 14,202.14 and 5,575.61

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Solution

The fourth proportional to 10,291.32, 14,202.14 and 5,575.61 is: 7,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.32 : 14,202.14 = 5,575.61 : x
  2. Step 2: Convert to fraction form
    10,291.32/14,202.14 = 5,575.61/x
  3. Step 3: Cross multiply
    10,291.32x = 14,202.14 × 5,575.61
  4. Step 4: Simplify right side
    10,291.32x = 79,185,601.43
  5. Step 5: Solve for x
    x = 79,185,601.43/10,291.32
  6. Step 6: Final answer
    x = 7,694.41

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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.