Home / 6,614.16-9,127.80-3,630.12

Finding the Fourth Proportional to 6,614.16, 9,127.80 and 3,630.12

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Solution

The fourth proportional to 6,614.16, 9,127.80 and 3,630.12 is: 5,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.16 : 9,127.80 = 3,630.12 : x
  2. Step 2: Convert to fraction form
    6,614.16/9,127.80 = 3,630.12/x
  3. Step 3: Cross multiply
    6,614.16x = 9,127.80 × 3,630.12
  4. Step 4: Simplify right side
    6,614.16x = 33,135,009.34
  5. Step 5: Solve for x
    x = 33,135,009.34/6,614.16
  6. Step 6: Final answer
    x = 5,009.71

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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.