Home / 11,045.49-15,243.17-6,330.68

Finding the Fourth Proportional to 11,045.49, 15,243.17 and 6,330.68

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Solution

The fourth proportional to 11,045.49, 15,243.17 and 6,330.68 is: 8,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.49 : 15,243.17 = 6,330.68 : x
  2. Step 2: Convert to fraction form
    11,045.49/15,243.17 = 6,330.68/x
  3. Step 3: Cross multiply
    11,045.49x = 15,243.17 × 6,330.68
  4. Step 4: Simplify right side
    11,045.49x = 96,499,631.46
  5. Step 5: Solve for x
    x = 96,499,631.46/11,045.49
  6. Step 6: Final answer
    x = 8,736.56

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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.