Home / 10,617.72-15,926.53-2,720.22

Finding the Fourth Proportional to 10,617.72, 15,926.53 and 2,720.22

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Solution

The fourth proportional to 10,617.72, 15,926.53 and 2,720.22 is: 4,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.72 : 15,926.53 = 2,720.22 : x
  2. Step 2: Convert to fraction form
    10,617.72/15,926.53 = 2,720.22/x
  3. Step 3: Cross multiply
    10,617.72x = 15,926.53 × 2,720.22
  4. Step 4: Simplify right side
    10,617.72x = 43,323,665.44
  5. Step 5: Solve for x
    x = 43,323,665.44/10,617.72
  6. Step 6: Final answer
    x = 4,080.32

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1.5x scale

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.