Home / 8,362.17-12,543.21-2,518.56

Finding the Fourth Proportional to 8,362.17, 12,543.21 and 2,518.56

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Solution

The fourth proportional to 8,362.17, 12,543.21 and 2,518.56 is: 3,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.17 : 12,543.21 = 2,518.56 : x
  2. Step 2: Convert to fraction form
    8,362.17/12,543.21 = 2,518.56/x
  3. Step 3: Cross multiply
    8,362.17x = 12,543.21 × 2,518.56
  4. Step 4: Simplify right side
    8,362.17x = 31,590,826.98
  5. Step 5: Solve for x
    x = 31,590,826.98/8,362.17
  6. Step 6: Final answer
    x = 3,777.83

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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.