Home / 11,370.30-15,682.99-6,655.52

Finding the Fourth Proportional to 11,370.30, 15,682.99 and 6,655.52

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Solution

The fourth proportional to 11,370.30, 15,682.99 and 6,655.52 is: 9,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.30 : 15,682.99 = 6,655.52 : x
  2. Step 2: Convert to fraction form
    11,370.30/15,682.99 = 6,655.52/x
  3. Step 3: Cross multiply
    11,370.30x = 15,682.99 × 6,655.52
  4. Step 4: Simplify right side
    11,370.30x = 104,378,453.60
  5. Step 5: Solve for x
    x = 104,378,453.60/11,370.30
  6. Step 6: Final answer
    x = 9,179.92

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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.