Home / 10,240.74-14,127.21-6,254.96

Finding the Fourth Proportional to 10,240.74, 14,127.21 and 6,254.96

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Solution

The fourth proportional to 10,240.74, 14,127.21 and 6,254.96 is: 8,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.74 : 14,127.21 = 6,254.96 : x
  2. Step 2: Convert to fraction form
    10,240.74/14,127.21 = 6,254.96/x
  3. Step 3: Cross multiply
    10,240.74x = 14,127.21 × 6,254.96
  4. Step 4: Simplify right side
    10,240.74x = 88,365,062.83
  5. Step 5: Solve for x
    x = 88,365,062.83/10,240.74
  6. Step 6: Final answer
    x = 8,628.78

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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.