Home / 8,116.48-11,215.97-6,123.48

Finding the Fourth Proportional to 8,116.48, 11,215.97 and 6,123.48

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Solution

The fourth proportional to 8,116.48, 11,215.97 and 6,123.48 is: 8,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.48 : 11,215.97 = 6,123.48 : x
  2. Step 2: Convert to fraction form
    8,116.48/11,215.97 = 6,123.48/x
  3. Step 3: Cross multiply
    8,116.48x = 11,215.97 × 6,123.48
  4. Step 4: Simplify right side
    8,116.48x = 68,680,767.98
  5. Step 5: Solve for x
    x = 68,680,767.98/8,116.48
  6. Step 6: Final answer
    x = 8,461.89

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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.