Home / 12,079.20-16,670.01-6,774.31

Finding the Fourth Proportional to 12,079.20, 16,670.01 and 6,774.31

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Solution

The fourth proportional to 12,079.20, 16,670.01 and 6,774.31 is: 9,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.20 : 16,670.01 = 6,774.31 : x
  2. Step 2: Convert to fraction form
    12,079.20/16,670.01 = 6,774.31/x
  3. Step 3: Cross multiply
    12,079.20x = 16,670.01 × 6,774.31
  4. Step 4: Simplify right side
    12,079.20x = 112,927,815.44
  5. Step 5: Solve for x
    x = 112,927,815.44/12,079.20
  6. Step 6: Final answer
    x = 9,348.95

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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.