Home / 10,127.22-13,975.38-5,650.89

Finding the Fourth Proportional to 10,127.22, 13,975.38 and 5,650.89

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Solution

The fourth proportional to 10,127.22, 13,975.38 and 5,650.89 is: 7,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.22 : 13,975.38 = 5,650.89 : x
  2. Step 2: Convert to fraction form
    10,127.22/13,975.38 = 5,650.89/x
  3. Step 3: Cross multiply
    10,127.22x = 13,975.38 × 5,650.89
  4. Step 4: Simplify right side
    10,127.22x = 78,973,335.09
  5. Step 5: Solve for x
    x = 78,973,335.09/10,127.22
  6. Step 6: Final answer
    x = 7,798.13

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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.