Home / 12,457.04-18,682.76-3,691.04

Finding the Fourth Proportional to 12,457.04, 18,682.76 and 3,691.04

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Solution

The fourth proportional to 12,457.04, 18,682.76 and 3,691.04 is: 5,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.04 : 18,682.76 = 3,691.04 : x
  2. Step 2: Convert to fraction form
    12,457.04/18,682.76 = 3,691.04/x
  3. Step 3: Cross multiply
    12,457.04x = 18,682.76 × 3,691.04
  4. Step 4: Simplify right side
    12,457.04x = 68,958,814.47
  5. Step 5: Solve for x
    x = 68,958,814.47/12,457.04
  6. Step 6: Final answer
    x = 5,535.73

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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.