Home / 11,755.08-17,632.73-2,989.99

Finding the Fourth Proportional to 11,755.08, 17,632.73 and 2,989.99

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Solution

The fourth proportional to 11,755.08, 17,632.73 and 2,989.99 is: 4,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.08 : 17,632.73 = 2,989.99 : x
  2. Step 2: Convert to fraction form
    11,755.08/17,632.73 = 2,989.99/x
  3. Step 3: Cross multiply
    11,755.08x = 17,632.73 × 2,989.99
  4. Step 4: Simplify right side
    11,755.08x = 52,721,686.37
  5. Step 5: Solve for x
    x = 52,721,686.37/11,755.08
  6. Step 6: Final answer
    x = 4,485.01

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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.