Home / 12,079.54-16,669.88-6,774.24

Finding the Fourth Proportional to 12,079.54, 16,669.88 and 6,774.24

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Solution

The fourth proportional to 12,079.54, 16,669.88 and 6,774.24 is: 9,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.54 : 16,669.88 = 6,774.24 : x
  2. Step 2: Convert to fraction form
    12,079.54/16,669.88 = 6,774.24/x
  3. Step 3: Cross multiply
    12,079.54x = 16,669.88 × 6,774.24
  4. Step 4: Simplify right side
    12,079.54x = 112,925,784.83
  5. Step 5: Solve for x
    x = 112,925,784.83/12,079.54
  6. Step 6: Final answer
    x = 9,348.52

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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.