Home / 12,079.63-16,669.89-6,774.33

Finding the Fourth Proportional to 12,079.63, 16,669.89 and 6,774.33

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Solution

The fourth proportional to 12,079.63, 16,669.89 and 6,774.33 is: 9,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.63 : 16,669.89 = 6,774.33 : x
  2. Step 2: Convert to fraction form
    12,079.63/16,669.89 = 6,774.33/x
  3. Step 3: Cross multiply
    12,079.63x = 16,669.89 × 6,774.33
  4. Step 4: Simplify right side
    12,079.63x = 112,927,302.05
  5. Step 5: Solve for x
    x = 112,927,302.05/12,079.63
  6. Step 6: Final answer
    x = 9,348.58

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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.