Home / 8,231.15-11,354.36-5,045.99

Finding the Fourth Proportional to 8,231.15, 11,354.36 and 5,045.99

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Solution

The fourth proportional to 8,231.15, 11,354.36 and 5,045.99 is: 6,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.15 : 11,354.36 = 5,045.99 : x
  2. Step 2: Convert to fraction form
    8,231.15/11,354.36 = 5,045.99/x
  3. Step 3: Cross multiply
    8,231.15x = 11,354.36 × 5,045.99
  4. Step 4: Simplify right side
    8,231.15x = 57,293,905.01
  5. Step 5: Solve for x
    x = 57,293,905.01/8,231.15
  6. Step 6: Final answer
    x = 6,960.62

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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.