Home / 11,045.73-15,243.47-6,330.91

Finding the Fourth Proportional to 11,045.73, 15,243.47 and 6,330.91

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Solution

The fourth proportional to 11,045.73, 15,243.47 and 6,330.91 is: 8,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.73 : 15,243.47 = 6,330.91 : x
  2. Step 2: Convert to fraction form
    11,045.73/15,243.47 = 6,330.91/x
  3. Step 3: Cross multiply
    11,045.73x = 15,243.47 × 6,330.91
  4. Step 4: Simplify right side
    11,045.73x = 96,505,036.66
  5. Step 5: Solve for x
    x = 96,505,036.66/11,045.73
  6. Step 6: Final answer
    x = 8,736.86

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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.