Home / 12,377.02-17,080.31-6,788.06

Finding the Fourth Proportional to 12,377.02, 17,080.31 and 6,788.06

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Solution

The fourth proportional to 12,377.02, 17,080.31 and 6,788.06 is: 9,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.02 : 17,080.31 = 6,788.06 : x
  2. Step 2: Convert to fraction form
    12,377.02/17,080.31 = 6,788.06/x
  3. Step 3: Cross multiply
    12,377.02x = 17,080.31 × 6,788.06
  4. Step 4: Simplify right side
    12,377.02x = 115,942,169.10
  5. Step 5: Solve for x
    x = 115,942,169.10/12,377.02
  6. Step 6: Final answer
    x = 9,367.54

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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.