Home / 8,505.48-11,737.26-4,971

Finding the Fourth Proportional to 8,505.48, 11,737.26 and 4,971

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Solution

The fourth proportional to 8,505.48, 11,737.26 and 4,971 is: 6,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.48 : 11,737.26 = 4,971 : x
  2. Step 2: Convert to fraction form
    8,505.48/11,737.26 = 4,971/x
  3. Step 3: Cross multiply
    8,505.48x = 11,737.26 × 4,971
  4. Step 4: Simplify right side
    8,505.48x = 58,345,919.46
  5. Step 5: Solve for x
    x = 58,345,919.46/8,505.48
  6. Step 6: Final answer
    x = 6,859.80

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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.