Home / 10,240.11-14,131.89-6,260.09

Finding the Fourth Proportional to 10,240.11, 14,131.89 and 6,260.09

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Solution

The fourth proportional to 10,240.11, 14,131.89 and 6,260.09 is: 8,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.11 : 14,131.89 = 6,260.09 : x
  2. Step 2: Convert to fraction form
    10,240.11/14,131.89 = 6,260.09/x
  3. Step 3: Cross multiply
    10,240.11x = 14,131.89 × 6,260.09
  4. Step 4: Simplify right side
    10,240.11x = 88,466,832.61
  5. Step 5: Solve for x
    x = 88,466,832.61/10,240.11
  6. Step 6: Final answer
    x = 8,639.25

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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.