Home / 11,392.92-15,710.76-6,915.96

Finding the Fourth Proportional to 11,392.92, 15,710.76 and 6,915.96

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Solution

The fourth proportional to 11,392.92, 15,710.76 and 6,915.96 is: 9,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.92 : 15,710.76 = 6,915.96 : x
  2. Step 2: Convert to fraction form
    11,392.92/15,710.76 = 6,915.96/x
  3. Step 3: Cross multiply
    11,392.92x = 15,710.76 × 6,915.96
  4. Step 4: Simplify right side
    11,392.92x = 108,654,987.73
  5. Step 5: Solve for x
    x = 108,654,987.73/11,392.92
  6. Step 6: Final answer
    x = 9,537.06

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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.