Home / 8,349.16-12,523.73-3,418.81

Finding the Fourth Proportional to 8,349.16, 12,523.73 and 3,418.81

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Solution

The fourth proportional to 8,349.16, 12,523.73 and 3,418.81 is: 5,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.16 : 12,523.73 = 3,418.81 : x
  2. Step 2: Convert to fraction form
    8,349.16/12,523.73 = 3,418.81/x
  3. Step 3: Cross multiply
    8,349.16x = 12,523.73 × 3,418.81
  4. Step 4: Simplify right side
    8,349.16x = 42,816,209.77
  5. Step 5: Solve for x
    x = 42,816,209.77/8,349.16
  6. Step 6: Final answer
    x = 5,128.20

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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.