Home / 11,116.08-15,340.21-6,080.36

Finding the Fourth Proportional to 11,116.08, 15,340.21 and 6,080.36

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Solution

The fourth proportional to 11,116.08, 15,340.21 and 6,080.36 is: 8,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.08 : 15,340.21 = 6,080.36 : x
  2. Step 2: Convert to fraction form
    11,116.08/15,340.21 = 6,080.36/x
  3. Step 3: Cross multiply
    11,116.08x = 15,340.21 × 6,080.36
  4. Step 4: Simplify right side
    11,116.08x = 93,273,907.37
  5. Step 5: Solve for x
    x = 93,273,907.37/11,116.08
  6. Step 6: Final answer
    x = 8,390.90

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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.