Home / 11,366.68-15,682.26-6,647.62

Finding the Fourth Proportional to 11,366.68, 15,682.26 and 6,647.62

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Solution

The fourth proportional to 11,366.68, 15,682.26 and 6,647.62 is: 9,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.68 : 15,682.26 = 6,647.62 : x
  2. Step 2: Convert to fraction form
    11,366.68/15,682.26 = 6,647.62/x
  3. Step 3: Cross multiply
    11,366.68x = 15,682.26 × 6,647.62
  4. Step 4: Simplify right side
    11,366.68x = 104,249,705.22
  5. Step 5: Solve for x
    x = 104,249,705.22/11,366.68
  6. Step 6: Final answer
    x = 9,171.52

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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.