Home / 12,302.24-16,979.86-8,050.84

Finding the Fourth Proportional to 12,302.24, 16,979.86 and 8,050.84

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Solution

The fourth proportional to 12,302.24, 16,979.86 and 8,050.84 is: 11,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.24 : 16,979.86 = 8,050.84 : x
  2. Step 2: Convert to fraction form
    12,302.24/16,979.86 = 8,050.84/x
  3. Step 3: Cross multiply
    12,302.24x = 16,979.86 × 8,050.84
  4. Step 4: Simplify right side
    12,302.24x = 136,702,166.27
  5. Step 5: Solve for x
    x = 136,702,166.27/12,302.24
  6. Step 6: Final answer
    x = 11,111.97

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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.