Home / 11,043.32-15,239.78-6,330.32

Finding the Fourth Proportional to 11,043.32, 15,239.78 and 6,330.32

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Solution

The fourth proportional to 11,043.32, 15,239.78 and 6,330.32 is: 8,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.32 : 15,239.78 = 6,330.32 : x
  2. Step 2: Convert to fraction form
    11,043.32/15,239.78 = 6,330.32/x
  3. Step 3: Cross multiply
    11,043.32x = 15,239.78 × 6,330.32
  4. Step 4: Simplify right side
    11,043.32x = 96,472,684.13
  5. Step 5: Solve for x
    x = 96,472,684.13/11,043.32
  6. Step 6: Final answer
    x = 8,735.84

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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.