Home / 8,282.18-11,428.83-4,505.29

Finding the Fourth Proportional to 8,282.18, 11,428.83 and 4,505.29

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Solution

The fourth proportional to 8,282.18, 11,428.83 and 4,505.29 is: 6,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.18 : 11,428.83 = 4,505.29 : x
  2. Step 2: Convert to fraction form
    8,282.18/11,428.83 = 4,505.29/x
  3. Step 3: Cross multiply
    8,282.18x = 11,428.83 × 4,505.29
  4. Step 4: Simplify right side
    8,282.18x = 51,490,164.94
  5. Step 5: Solve for x
    x = 51,490,164.94/8,282.18
  6. Step 6: Final answer
    x = 6,216.98

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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.