Home / 10,305.44-14,221.61-5,589.82

Finding the Fourth Proportional to 10,305.44, 14,221.61 and 5,589.82

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Solution

The fourth proportional to 10,305.44, 14,221.61 and 5,589.82 is: 7,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.44 : 14,221.61 = 5,589.82 : x
  2. Step 2: Convert to fraction form
    10,305.44/14,221.61 = 5,589.82/x
  3. Step 3: Cross multiply
    10,305.44x = 14,221.61 × 5,589.82
  4. Step 4: Simplify right side
    10,305.44x = 79,496,240.01
  5. Step 5: Solve for x
    x = 79,496,240.01/10,305.44
  6. Step 6: Final answer
    x = 7,714.01

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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.