Home / 11,240.63-16,861.76-4,315.13

Finding the Fourth Proportional to 11,240.63, 16,861.76 and 4,315.13

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Solution

The fourth proportional to 11,240.63, 16,861.76 and 4,315.13 is: 6,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.63 : 16,861.76 = 4,315.13 : x
  2. Step 2: Convert to fraction form
    11,240.63/16,861.76 = 4,315.13/x
  3. Step 3: Cross multiply
    11,240.63x = 16,861.76 × 4,315.13
  4. Step 4: Simplify right side
    11,240.63x = 72,760,580.54
  5. Step 5: Solve for x
    x = 72,760,580.54/11,240.63
  6. Step 6: Final answer
    x = 6,473.00

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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.