Home / 11,582.54-15,983.80-6,277.40

Finding the Fourth Proportional to 11,582.54, 15,983.80 and 6,277.40

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Solution

The fourth proportional to 11,582.54, 15,983.80 and 6,277.40 is: 8,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.54 : 15,983.80 = 6,277.40 : x
  2. Step 2: Convert to fraction form
    11,582.54/15,983.80 = 6,277.40/x
  3. Step 3: Cross multiply
    11,582.54x = 15,983.80 × 6,277.40
  4. Step 4: Simplify right side
    11,582.54x = 100,336,706.12
  5. Step 5: Solve for x
    x = 100,336,706.12/11,582.54
  6. Step 6: Final answer
    x = 8,662.75

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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.