Home / 8,215.17-11,337.41-5,071.41

Finding the Fourth Proportional to 8,215.17, 11,337.41 and 5,071.41

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Solution

The fourth proportional to 8,215.17, 11,337.41 and 5,071.41 is: 6,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.17 : 11,337.41 = 5,071.41 : x
  2. Step 2: Convert to fraction form
    8,215.17/11,337.41 = 5,071.41/x
  3. Step 3: Cross multiply
    8,215.17x = 11,337.41 × 5,071.41
  4. Step 4: Simplify right side
    8,215.17x = 57,496,654.45
  5. Step 5: Solve for x
    x = 57,496,654.45/8,215.17
  6. Step 6: Final answer
    x = 6,998.84

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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.