Home / 11,496.30-15,864.84-6,460.68

Finding the Fourth Proportional to 11,496.30, 15,864.84 and 6,460.68

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Solution

The fourth proportional to 11,496.30, 15,864.84 and 6,460.68 is: 8,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,496.30 : 15,864.84 = 6,460.68 : x
  2. Step 2: Convert to fraction form
    11,496.30/15,864.84 = 6,460.68/x
  3. Step 3: Cross multiply
    11,496.30x = 15,864.84 × 6,460.68
  4. Step 4: Simplify right side
    11,496.30x = 102,497,654.49
  5. Step 5: Solve for x
    x = 102,497,654.49/11,496.30
  6. Step 6: Final answer
    x = 8,915.71

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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.