Home / 6,646.08-9,171.40-3,621.14

Finding the Fourth Proportional to 6,646.08, 9,171.40 and 3,621.14

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Solution

The fourth proportional to 6,646.08, 9,171.40 and 3,621.14 is: 4,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.08 : 9,171.40 = 3,621.14 : x
  2. Step 2: Convert to fraction form
    6,646.08/9,171.40 = 3,621.14/x
  3. Step 3: Cross multiply
    6,646.08x = 9,171.40 × 3,621.14
  4. Step 4: Simplify right side
    6,646.08x = 33,210,923.40
  5. Step 5: Solve for x
    x = 33,210,923.40/6,646.08
  6. Step 6: Final answer
    x = 4,997.07

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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.