Home / 10,827.70-16,212.08-5,622.64

Finding the Fourth Proportional to 10,827.70, 16,212.08 and 5,622.64

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Solution

The fourth proportional to 10,827.70, 16,212.08 and 5,622.64 is: 8,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.70 : 16,212.08 = 5,622.64 : x
  2. Step 2: Convert to fraction form
    10,827.70/16,212.08 = 5,622.64/x
  3. Step 3: Cross multiply
    10,827.70x = 16,212.08 × 5,622.64
  4. Step 4: Simplify right side
    10,827.70x = 91,154,663.02
  5. Step 5: Solve for x
    x = 91,154,663.02/10,827.70
  6. Step 6: Final answer
    x = 8,418.66

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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.