Home / 10,633.16-14,680.32-6,857.68

Finding the Fourth Proportional to 10,633.16, 14,680.32 and 6,857.68

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Solution

The fourth proportional to 10,633.16, 14,680.32 and 6,857.68 is: 9,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.16 : 14,680.32 = 6,857.68 : x
  2. Step 2: Convert to fraction form
    10,633.16/14,680.32 = 6,857.68/x
  3. Step 3: Cross multiply
    10,633.16x = 14,680.32 × 6,857.68
  4. Step 4: Simplify right side
    10,633.16x = 100,672,936.86
  5. Step 5: Solve for x
    x = 100,672,936.86/10,633.16
  6. Step 6: Final answer
    x = 9,467.83

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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.