Home / 11,733.40-16,192.38-6,428.23

Finding the Fourth Proportional to 11,733.40, 16,192.38 and 6,428.23

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Solution

The fourth proportional to 11,733.40, 16,192.38 and 6,428.23 is: 8,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.40 : 16,192.38 = 6,428.23 : x
  2. Step 2: Convert to fraction form
    11,733.40/16,192.38 = 6,428.23/x
  3. Step 3: Cross multiply
    11,733.40x = 16,192.38 × 6,428.23
  4. Step 4: Simplify right side
    11,733.40x = 104,088,342.89
  5. Step 5: Solve for x
    x = 104,088,342.89/11,733.40
  6. Step 6: Final answer
    x = 8,871.12

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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.