Home / 8,622.12-12,934.04-3,357.53

Finding the Fourth Proportional to 8,622.12, 12,934.04 and 3,357.53

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Solution

The fourth proportional to 8,622.12, 12,934.04 and 3,357.53 is: 5,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.12 : 12,934.04 = 3,357.53 : x
  2. Step 2: Convert to fraction form
    8,622.12/12,934.04 = 3,357.53/x
  3. Step 3: Cross multiply
    8,622.12x = 12,934.04 × 3,357.53
  4. Step 4: Simplify right side
    8,622.12x = 43,426,345.86
  5. Step 5: Solve for x
    x = 43,426,345.86/8,622.12
  6. Step 6: Final answer
    x = 5,036.62

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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.