Home / 8,317.58-11,478.47-4,540.82

Finding the Fourth Proportional to 8,317.58, 11,478.47 and 4,540.82

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Solution

The fourth proportional to 8,317.58, 11,478.47 and 4,540.82 is: 6,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.58 : 11,478.47 = 4,540.82 : x
  2. Step 2: Convert to fraction form
    8,317.58/11,478.47 = 4,540.82/x
  3. Step 3: Cross multiply
    8,317.58x = 11,478.47 × 4,540.82
  4. Step 4: Simplify right side
    8,317.58x = 52,121,586.05
  5. Step 5: Solve for x
    x = 52,121,586.05/8,317.58
  6. Step 6: Final answer
    x = 6,266.44

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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.