Home / 10,720.96-16,070.46-4,144.60

Finding the Fourth Proportional to 10,720.96, 16,070.46 and 4,144.60

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Solution

The fourth proportional to 10,720.96, 16,070.46 and 4,144.60 is: 6,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.96 : 16,070.46 = 4,144.60 : x
  2. Step 2: Convert to fraction form
    10,720.96/16,070.46 = 4,144.60/x
  3. Step 3: Cross multiply
    10,720.96x = 16,070.46 × 4,144.60
  4. Step 4: Simplify right side
    10,720.96x = 66,605,628.52
  5. Step 5: Solve for x
    x = 66,605,628.52/10,720.96
  6. Step 6: Final answer
    x = 6,212.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.