Home / 7,931.52-11,897.60-2,088.72

Finding the Fourth Proportional to 7,931.52, 11,897.60 and 2,088.72

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Solution

The fourth proportional to 7,931.52, 11,897.60 and 2,088.72 is: 3,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.52 : 11,897.60 = 2,088.72 : x
  2. Step 2: Convert to fraction form
    7,931.52/11,897.60 = 2,088.72/x
  3. Step 3: Cross multiply
    7,931.52x = 11,897.60 × 2,088.72
  4. Step 4: Simplify right side
    7,931.52x = 24,850,755.07
  5. Step 5: Solve for x
    x = 24,850,755.07/7,931.52
  6. Step 6: Final answer
    x = 3,133.16

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