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Finding the Fourth Proportional to 8,015.16, 12,014.10 and 4,317.24

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Solution

The fourth proportional to 8,015.16, 12,014.10 and 4,317.24 is: 6,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.16 : 12,014.10 = 4,317.24 : x
  2. Step 2: Convert to fraction form
    8,015.16/12,014.10 = 4,317.24/x
  3. Step 3: Cross multiply
    8,015.16x = 12,014.10 × 4,317.24
  4. Step 4: Simplify right side
    8,015.16x = 51,867,753.08
  5. Step 5: Solve for x
    x = 51,867,753.08/8,015.16
  6. Step 6: Final answer
    x = 6,471.21

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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.