Home / 11,180.82-15,429.30-6,145.02

Finding the Fourth Proportional to 11,180.82, 15,429.30 and 6,145.02

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Solution

The fourth proportional to 11,180.82, 15,429.30 and 6,145.02 is: 8,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.82 : 15,429.30 = 6,145.02 : x
  2. Step 2: Convert to fraction form
    11,180.82/15,429.30 = 6,145.02/x
  3. Step 3: Cross multiply
    11,180.82x = 15,429.30 × 6,145.02
  4. Step 4: Simplify right side
    11,180.82x = 94,813,357.09
  5. Step 5: Solve for x
    x = 94,813,357.09/11,180.82
  6. Step 6: Final answer
    x = 8,480.00

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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.