Home / 11,157.78-16,762.59-6,544.02

Finding the Fourth Proportional to 11,157.78, 16,762.59 and 6,544.02

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Solution

The fourth proportional to 11,157.78, 16,762.59 and 6,544.02 is: 9,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.78 : 16,762.59 = 6,544.02 : x
  2. Step 2: Convert to fraction form
    11,157.78/16,762.59 = 6,544.02/x
  3. Step 3: Cross multiply
    11,157.78x = 16,762.59 × 6,544.02
  4. Step 4: Simplify right side
    11,157.78x = 109,694,724.21
  5. Step 5: Solve for x
    x = 109,694,724.21/11,157.78
  6. Step 6: Final answer
    x = 9,831.23

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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.