Home / 8,187.06-11,299.62-4,829.70

Finding the Fourth Proportional to 8,187.06, 11,299.62 and 4,829.70

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Solution

The fourth proportional to 8,187.06, 11,299.62 and 4,829.70 is: 6,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.06 : 11,299.62 = 4,829.70 : x
  2. Step 2: Convert to fraction form
    8,187.06/11,299.62 = 4,829.70/x
  3. Step 3: Cross multiply
    8,187.06x = 11,299.62 × 4,829.70
  4. Step 4: Simplify right side
    8,187.06x = 54,573,774.71
  5. Step 5: Solve for x
    x = 54,573,774.71/8,187.06
  6. Step 6: Final answer
    x = 6,665.86

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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.