Home / 6,647.30-9,173.27-3,663.12

Finding the Fourth Proportional to 6,647.30, 9,173.27 and 3,663.12

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Solution

The fourth proportional to 6,647.30, 9,173.27 and 3,663.12 is: 5,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.30 : 9,173.27 = 3,663.12 : x
  2. Step 2: Convert to fraction form
    6,647.30/9,173.27 = 3,663.12/x
  3. Step 3: Cross multiply
    6,647.30x = 9,173.27 × 3,663.12
  4. Step 4: Simplify right side
    6,647.30x = 33,602,770.49
  5. Step 5: Solve for x
    x = 33,602,770.49/6,647.30
  6. Step 6: Final answer
    x = 5,055.10

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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.