Home / 11,733.76-16,192.62-6,428.92

Finding the Fourth Proportional to 11,733.76, 16,192.62 and 6,428.92

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Solution

The fourth proportional to 11,733.76, 16,192.62 and 6,428.92 is: 8,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.76 : 16,192.62 = 6,428.92 : x
  2. Step 2: Convert to fraction form
    11,733.76/16,192.62 = 6,428.92/x
  3. Step 3: Cross multiply
    11,733.76x = 16,192.62 × 6,428.92
  4. Step 4: Simplify right side
    11,733.76x = 104,101,058.57
  5. Step 5: Solve for x
    x = 104,101,058.57/11,733.76
  6. Step 6: Final answer
    x = 8,871.93

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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.