Home / 8,779.97-12,116.24-5,003.36

Finding the Fourth Proportional to 8,779.97, 12,116.24 and 5,003.36

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Solution

The fourth proportional to 8,779.97, 12,116.24 and 5,003.36 is: 6,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.97 : 12,116.24 = 5,003.36 : x
  2. Step 2: Convert to fraction form
    8,779.97/12,116.24 = 5,003.36/x
  3. Step 3: Cross multiply
    8,779.97x = 12,116.24 × 5,003.36
  4. Step 4: Simplify right side
    8,779.97x = 60,621,824.97
  5. Step 5: Solve for x
    x = 60,621,824.97/8,779.97
  6. Step 6: Final answer
    x = 6,904.56

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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.