Home / 8,317.83-11,478.56-4,540.98

Finding the Fourth Proportional to 8,317.83, 11,478.56 and 4,540.98

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Solution

The fourth proportional to 8,317.83, 11,478.56 and 4,540.98 is: 6,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.83 : 11,478.56 = 4,540.98 : x
  2. Step 2: Convert to fraction form
    8,317.83/11,478.56 = 4,540.98/x
  3. Step 3: Cross multiply
    8,317.83x = 11,478.56 × 4,540.98
  4. Step 4: Simplify right side
    8,317.83x = 52,123,911.39
  5. Step 5: Solve for x
    x = 52,123,911.39/8,317.83
  6. Step 6: Final answer
    x = 6,266.53

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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.