Home / 6,656.28-9,186.12-3,672.36

Finding the Fourth Proportional to 6,656.28, 9,186.12 and 3,672.36

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Solution

The fourth proportional to 6,656.28, 9,186.12 and 3,672.36 is: 5,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.28 : 9,186.12 = 3,672.36 : x
  2. Step 2: Convert to fraction form
    6,656.28/9,186.12 = 3,672.36/x
  3. Step 3: Cross multiply
    6,656.28x = 9,186.12 × 3,672.36
  4. Step 4: Simplify right side
    6,656.28x = 33,734,739.64
  5. Step 5: Solve for x
    x = 33,734,739.64/6,656.28
  6. Step 6: Final answer
    x = 5,068.11

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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.