Home / 8,816.64-12,167.22-5,040.36

Finding the Fourth Proportional to 8,816.64, 12,167.22 and 5,040.36

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Solution

The fourth proportional to 8,816.64, 12,167.22 and 5,040.36 is: 6,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.64 : 12,167.22 = 5,040.36 : x
  2. Step 2: Convert to fraction form
    8,816.64/12,167.22 = 5,040.36/x
  3. Step 3: Cross multiply
    8,816.64x = 12,167.22 × 5,040.36
  4. Step 4: Simplify right side
    8,816.64x = 61,327,169.00
  5. Step 5: Solve for x
    x = 61,327,169.00/8,816.64
  6. Step 6: Final answer
    x = 6,955.84

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1.5x scale

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.