Home / 11,043.82-15,240.47-6,330.84

Finding the Fourth Proportional to 11,043.82, 15,240.47 and 6,330.84

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Solution

The fourth proportional to 11,043.82, 15,240.47 and 6,330.84 is: 8,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.82 : 15,240.47 = 6,330.84 : x
  2. Step 2: Convert to fraction form
    11,043.82/15,240.47 = 6,330.84/x
  3. Step 3: Cross multiply
    11,043.82x = 15,240.47 × 6,330.84
  4. Step 4: Simplify right side
    11,043.82x = 96,484,869.24
  5. Step 5: Solve for x
    x = 96,484,869.24/11,043.82
  6. Step 6: Final answer
    x = 8,736.55

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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.