Home / 9,831.45-14,753.25-3,988.11

Finding the Fourth Proportional to 9,831.45, 14,753.25 and 3,988.11

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Solution

The fourth proportional to 9,831.45, 14,753.25 and 3,988.11 is: 5,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.45 : 14,753.25 = 3,988.11 : x
  2. Step 2: Convert to fraction form
    9,831.45/14,753.25 = 3,988.11/x
  3. Step 3: Cross multiply
    9,831.45x = 14,753.25 × 3,988.11
  4. Step 4: Simplify right side
    9,831.45x = 58,837,583.86
  5. Step 5: Solve for x
    x = 58,837,583.86/9,831.45
  6. Step 6: Final answer
    x = 5,984.63

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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.