Home / 8,307.05-11,464.70-4,722.54

Finding the Fourth Proportional to 8,307.05, 11,464.70 and 4,722.54

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Solution

The fourth proportional to 8,307.05, 11,464.70 and 4,722.54 is: 6,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.05 : 11,464.70 = 4,722.54 : x
  2. Step 2: Convert to fraction form
    8,307.05/11,464.70 = 4,722.54/x
  3. Step 3: Cross multiply
    8,307.05x = 11,464.70 × 4,722.54
  4. Step 4: Simplify right side
    8,307.05x = 54,142,480.73
  5. Step 5: Solve for x
    x = 54,142,480.73/8,307.05
  6. Step 6: Final answer
    x = 6,517.66

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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.