Home / 9,887.80-14,831.64-3,967.36

Finding the Fourth Proportional to 9,887.80, 14,831.64 and 3,967.36

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Solution

The fourth proportional to 9,887.80, 14,831.64 and 3,967.36 is: 5,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.80 : 14,831.64 = 3,967.36 : x
  2. Step 2: Convert to fraction form
    9,887.80/14,831.64 = 3,967.36/x
  3. Step 3: Cross multiply
    9,887.80x = 14,831.64 × 3,967.36
  4. Step 4: Simplify right side
    9,887.80x = 58,842,455.27
  5. Step 5: Solve for x
    x = 58,842,455.27/9,887.80
  6. Step 6: Final answer
    x = 5,951.02

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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.