Home / 8,285.67-11,434.08-4,508.71

Finding the Fourth Proportional to 8,285.67, 11,434.08 and 4,508.71

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Solution

The fourth proportional to 8,285.67, 11,434.08 and 4,508.71 is: 6,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.67 : 11,434.08 = 4,508.71 : x
  2. Step 2: Convert to fraction form
    8,285.67/11,434.08 = 4,508.71/x
  3. Step 3: Cross multiply
    8,285.67x = 11,434.08 × 4,508.71
  4. Step 4: Simplify right side
    8,285.67x = 51,552,913.80
  5. Step 5: Solve for x
    x = 51,552,913.80/8,285.67
  6. Step 6: Final answer
    x = 6,221.94

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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.