Home / 11,680.08-16,104.02-10,165.38

Finding the Fourth Proportional to 11,680.08, 16,104.02 and 10,165.38

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Solution

The fourth proportional to 11,680.08, 16,104.02 and 10,165.38 is: 14,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.08 : 16,104.02 = 10,165.38 : x
  2. Step 2: Convert to fraction form
    11,680.08/16,104.02 = 10,165.38/x
  3. Step 3: Cross multiply
    11,680.08x = 16,104.02 × 10,165.38
  4. Step 4: Simplify right side
    11,680.08x = 163,703,432.00
  5. Step 5: Solve for x
    x = 163,703,432.00/11,680.08
  6. Step 6: Final answer
    x = 14,015.61

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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.