Home / 8,224.72-11,349.38-4,639.94

Finding the Fourth Proportional to 8,224.72, 11,349.38 and 4,639.94

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Solution

The fourth proportional to 8,224.72, 11,349.38 and 4,639.94 is: 6,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.72 : 11,349.38 = 4,639.94 : x
  2. Step 2: Convert to fraction form
    8,224.72/11,349.38 = 4,639.94/x
  3. Step 3: Cross multiply
    8,224.72x = 11,349.38 × 4,639.94
  4. Step 4: Simplify right side
    8,224.72x = 52,660,442.24
  5. Step 5: Solve for x
    x = 52,660,442.24/8,224.72
  6. Step 6: Final answer
    x = 6,402.70

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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.