Home / 10,245.12-14,134.92-6,210.48

Finding the Fourth Proportional to 10,245.12, 14,134.92 and 6,210.48

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Solution

The fourth proportional to 10,245.12, 14,134.92 and 6,210.48 is: 8,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.12 : 14,134.92 = 6,210.48 : x
  2. Step 2: Convert to fraction form
    10,245.12/14,134.92 = 6,210.48/x
  3. Step 3: Cross multiply
    10,245.12x = 14,134.92 × 6,210.48
  4. Step 4: Simplify right side
    10,245.12x = 87,784,637.96
  5. Step 5: Solve for x
    x = 87,784,637.96/10,245.12
  6. Step 6: Final answer
    x = 8,568.43

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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.