Home / 10,655.59-14,705.21-5,939.90

Finding the Fourth Proportional to 10,655.59, 14,705.21 and 5,939.90

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Solution

The fourth proportional to 10,655.59, 14,705.21 and 5,939.90 is: 8,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.59 : 14,705.21 = 5,939.90 : x
  2. Step 2: Convert to fraction form
    10,655.59/14,705.21 = 5,939.90/x
  3. Step 3: Cross multiply
    10,655.59x = 14,705.21 × 5,939.90
  4. Step 4: Simplify right side
    10,655.59x = 87,347,447.18
  5. Step 5: Solve for x
    x = 87,347,447.18/10,655.59
  6. Step 6: Final answer
    x = 8,197.34

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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.