Home / 8,151.53-11,249.06-4,614.89

Finding the Fourth Proportional to 8,151.53, 11,249.06 and 4,614.89

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Solution

The fourth proportional to 8,151.53, 11,249.06 and 4,614.89 is: 6,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.53 : 11,249.06 = 4,614.89 : x
  2. Step 2: Convert to fraction form
    8,151.53/11,249.06 = 4,614.89/x
  3. Step 3: Cross multiply
    8,151.53x = 11,249.06 × 4,614.89
  4. Step 4: Simplify right side
    8,151.53x = 51,913,095.18
  5. Step 5: Solve for x
    x = 51,913,095.18/8,151.53
  6. Step 6: Final answer
    x = 6,368.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.