Home / 11,647.73-17,457.02-9,172.77

Finding the Fourth Proportional to 11,647.73, 17,457.02 and 9,172.77

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Solution

The fourth proportional to 11,647.73, 17,457.02 and 9,172.77 is: 13,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.73 : 17,457.02 = 9,172.77 : x
  2. Step 2: Convert to fraction form
    11,647.73/17,457.02 = 9,172.77/x
  3. Step 3: Cross multiply
    11,647.73x = 17,457.02 × 9,172.77
  4. Step 4: Simplify right side
    11,647.73x = 160,129,183.48
  5. Step 5: Solve for x
    x = 160,129,183.48/11,647.73
  6. Step 6: Final answer
    x = 13,747.68

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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.