Home / 10,945.08-16,415.22-3,152.20

Finding the Fourth Proportional to 10,945.08, 16,415.22 and 3,152.20

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Solution

The fourth proportional to 10,945.08, 16,415.22 and 3,152.20 is: 4,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.08 : 16,415.22 = 3,152.20 : x
  2. Step 2: Convert to fraction form
    10,945.08/16,415.22 = 3,152.20/x
  3. Step 3: Cross multiply
    10,945.08x = 16,415.22 × 3,152.20
  4. Step 4: Simplify right side
    10,945.08x = 51,744,056.48
  5. Step 5: Solve for x
    x = 51,744,056.48/10,945.08
  6. Step 6: Final answer
    x = 4,727.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.