Home / 11,612.08-17,420.74-4,216.52

Finding the Fourth Proportional to 11,612.08, 17,420.74 and 4,216.52

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Solution

The fourth proportional to 11,612.08, 17,420.74 and 4,216.52 is: 6,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.08 : 17,420.74 = 4,216.52 : x
  2. Step 2: Convert to fraction form
    11,612.08/17,420.74 = 4,216.52/x
  3. Step 3: Cross multiply
    11,612.08x = 17,420.74 × 4,216.52
  4. Step 4: Simplify right side
    11,612.08x = 73,454,898.62
  5. Step 5: Solve for x
    x = 73,454,898.62/11,612.08
  6. Step 6: Final answer
    x = 6,325.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.