Home / 13,030.88-17,997.46-8,831.84

Finding the Fourth Proportional to 13,030.88, 17,997.46 and 8,831.84

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Solution

The fourth proportional to 13,030.88, 17,997.46 and 8,831.84 is: 12,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.88 : 17,997.46 = 8,831.84 : x
  2. Step 2: Convert to fraction form
    13,030.88/17,997.46 = 8,831.84/x
  3. Step 3: Cross multiply
    13,030.88x = 17,997.46 × 8,831.84
  4. Step 4: Simplify right side
    13,030.88x = 158,950,575.06
  5. Step 5: Solve for x
    x = 158,950,575.06/13,030.88
  6. Step 6: Final answer
    x = 12,198.00

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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.