Home / 10,008.46-13,811.13-5,531.94

Finding the Fourth Proportional to 10,008.46, 13,811.13 and 5,531.94

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Solution

The fourth proportional to 10,008.46, 13,811.13 and 5,531.94 is: 7,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.46 : 13,811.13 = 5,531.94 : x
  2. Step 2: Convert to fraction form
    10,008.46/13,811.13 = 5,531.94/x
  3. Step 3: Cross multiply
    10,008.46x = 13,811.13 × 5,531.94
  4. Step 4: Simplify right side
    10,008.46x = 76,402,392.04
  5. Step 5: Solve for x
    x = 76,402,392.04/10,008.46
  6. Step 6: Final answer
    x = 7,633.78

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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.