Home / 6,617.13-9,131.57-3,632.89

Finding the Fourth Proportional to 6,617.13, 9,131.57 and 3,632.89

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Solution

The fourth proportional to 6,617.13, 9,131.57 and 3,632.89 is: 5,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.13 : 9,131.57 = 3,632.89 : x
  2. Step 2: Convert to fraction form
    6,617.13/9,131.57 = 3,632.89/x
  3. Step 3: Cross multiply
    6,617.13x = 9,131.57 × 3,632.89
  4. Step 4: Simplify right side
    6,617.13x = 33,173,989.34
  5. Step 5: Solve for x
    x = 33,173,989.34/6,617.13
  6. Step 6: Final answer
    x = 5,013.35

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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.