Home / 11,733.54-16,192.08-6,428.32

Finding the Fourth Proportional to 11,733.54, 16,192.08 and 6,428.32

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Solution

The fourth proportional to 11,733.54, 16,192.08 and 6,428.32 is: 8,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.54 : 16,192.08 = 6,428.32 : x
  2. Step 2: Convert to fraction form
    11,733.54/16,192.08 = 6,428.32/x
  3. Step 3: Cross multiply
    11,733.54x = 16,192.08 × 6,428.32
  4. Step 4: Simplify right side
    11,733.54x = 104,087,871.71
  5. Step 5: Solve for x
    x = 104,087,871.71/11,733.54
  6. Step 6: Final answer
    x = 8,870.97

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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.