Home / 12,081.47-16,672.37-6,776.33

Finding the Fourth Proportional to 12,081.47, 16,672.37 and 6,776.33

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Solution

The fourth proportional to 12,081.47, 16,672.37 and 6,776.33 is: 9,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.47 : 16,672.37 = 6,776.33 : x
  2. Step 2: Convert to fraction form
    12,081.47/16,672.37 = 6,776.33/x
  3. Step 3: Cross multiply
    12,081.47x = 16,672.37 × 6,776.33
  4. Step 4: Simplify right side
    12,081.47x = 112,977,363.76
  5. Step 5: Solve for x
    x = 112,977,363.76/12,081.47
  6. Step 6: Final answer
    x = 9,351.30

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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.