Home / 10,397.36-15,582.40-9,077.76

Finding the Fourth Proportional to 10,397.36, 15,582.40 and 9,077.76

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Solution

The fourth proportional to 10,397.36, 15,582.40 and 9,077.76 is: 13,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.36 : 15,582.40 = 9,077.76 : x
  2. Step 2: Convert to fraction form
    10,397.36/15,582.40 = 9,077.76/x
  3. Step 3: Cross multiply
    10,397.36x = 15,582.40 × 9,077.76
  4. Step 4: Simplify right side
    10,397.36x = 141,453,264.73
  5. Step 5: Solve for x
    x = 141,453,264.73/10,397.36
  6. Step 6: Final answer
    x = 13,604.73

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