Home / 11,246.49-16,870.55-3,240.93

Finding the Fourth Proportional to 11,246.49, 16,870.55 and 3,240.93

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Solution

The fourth proportional to 11,246.49, 16,870.55 and 3,240.93 is: 4,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.49 : 16,870.55 = 3,240.93 : x
  2. Step 2: Convert to fraction form
    11,246.49/16,870.55 = 3,240.93/x
  3. Step 3: Cross multiply
    11,246.49x = 16,870.55 × 3,240.93
  4. Step 4: Simplify right side
    11,246.49x = 54,676,255.41
  5. Step 5: Solve for x
    x = 54,676,255.41/11,246.49
  6. Step 6: Final answer
    x = 4,861.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.