Home / 10,385.22-14,331.48-5,908.86

Finding the Fourth Proportional to 10,385.22, 14,331.48 and 5,908.86

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Solution

The fourth proportional to 10,385.22, 14,331.48 and 5,908.86 is: 8,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.22 : 14,331.48 = 5,908.86 : x
  2. Step 2: Convert to fraction form
    10,385.22/14,331.48 = 5,908.86/x
  3. Step 3: Cross multiply
    10,385.22x = 14,331.48 × 5,908.86
  4. Step 4: Simplify right side
    10,385.22x = 84,682,708.91
  5. Step 5: Solve for x
    x = 84,682,708.91/10,385.22
  6. Step 6: Final answer
    x = 8,154.16

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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.