Home / 8,621.16-12,932.22-2,465

Finding the Fourth Proportional to 8,621.16, 12,932.22 and 2,465

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Solution

The fourth proportional to 8,621.16, 12,932.22 and 2,465 is: 3,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.16 : 12,932.22 = 2,465 : x
  2. Step 2: Convert to fraction form
    8,621.16/12,932.22 = 2,465/x
  3. Step 3: Cross multiply
    8,621.16x = 12,932.22 × 2,465
  4. Step 4: Simplify right side
    8,621.16x = 31,877,922.30
  5. Step 5: Solve for x
    x = 31,877,922.30/8,621.16
  6. Step 6: Final answer
    x = 3,697.64

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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.