Home / 12,093.30-18,115.65-6,893.10

Finding the Fourth Proportional to 12,093.30, 18,115.65 and 6,893.10

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Solution

The fourth proportional to 12,093.30, 18,115.65 and 6,893.10 is: 10,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.30 : 18,115.65 = 6,893.10 : x
  2. Step 2: Convert to fraction form
    12,093.30/18,115.65 = 6,893.10/x
  3. Step 3: Cross multiply
    12,093.30x = 18,115.65 × 6,893.10
  4. Step 4: Simplify right side
    12,093.30x = 124,872,987.02
  5. Step 5: Solve for x
    x = 124,872,987.02/12,093.30
  6. Step 6: Final answer
    x = 10,325.80

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1.5x scale

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.