Home / 10,008.97-13,811.64-5,532.81

Finding the Fourth Proportional to 10,008.97, 13,811.64 and 5,532.81

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Solution

The fourth proportional to 10,008.97, 13,811.64 and 5,532.81 is: 7,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.97 : 13,811.64 = 5,532.81 : x
  2. Step 2: Convert to fraction form
    10,008.97/13,811.64 = 5,532.81/x
  3. Step 3: Cross multiply
    10,008.97x = 13,811.64 × 5,532.81
  4. Step 4: Simplify right side
    10,008.97x = 76,417,179.91
  5. Step 5: Solve for x
    x = 76,417,179.91/10,008.97
  6. Step 6: Final answer
    x = 7,634.87

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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.