Home / 12,042.77-16,623.63-8,062.43

Finding the Fourth Proportional to 12,042.77, 16,623.63 and 8,062.43

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Solution

The fourth proportional to 12,042.77, 16,623.63 and 8,062.43 is: 11,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.77 : 16,623.63 = 8,062.43 : x
  2. Step 2: Convert to fraction form
    12,042.77/16,623.63 = 8,062.43/x
  3. Step 3: Cross multiply
    12,042.77x = 16,623.63 × 8,062.43
  4. Step 4: Simplify right side
    12,042.77x = 134,026,770.10
  5. Step 5: Solve for x
    x = 134,026,770.10/12,042.77
  6. Step 6: Final answer
    x = 11,129.24

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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.