Home / 10,381.21-14,326.07-5,905.83

Finding the Fourth Proportional to 10,381.21, 14,326.07 and 5,905.83

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Solution

The fourth proportional to 10,381.21, 14,326.07 and 5,905.83 is: 8,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.21 : 14,326.07 = 5,905.83 : x
  2. Step 2: Convert to fraction form
    10,381.21/14,326.07 = 5,905.83/x
  3. Step 3: Cross multiply
    10,381.21x = 14,326.07 × 5,905.83
  4. Step 4: Simplify right side
    10,381.21x = 84,607,333.99
  5. Step 5: Solve for x
    x = 84,607,333.99/10,381.21
  6. Step 6: Final answer
    x = 8,150.05

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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.