Home / 6,647.40-9,173.25-3,663.23

Finding the Fourth Proportional to 6,647.40, 9,173.25 and 3,663.23

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Solution

The fourth proportional to 6,647.40, 9,173.25 and 3,663.23 is: 5,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.40 : 9,173.25 = 3,663.23 : x
  2. Step 2: Convert to fraction form
    6,647.40/9,173.25 = 3,663.23/x
  3. Step 3: Cross multiply
    6,647.40x = 9,173.25 × 3,663.23
  4. Step 4: Simplify right side
    6,647.40x = 33,603,678.73
  5. Step 5: Solve for x
    x = 33,603,678.73/6,647.40
  6. Step 6: Final answer
    x = 5,055.16

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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.