Home / 10,551.61-15,821.57-4,316.00

Finding the Fourth Proportional to 10,551.61, 15,821.57 and 4,316.00

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Solution

The fourth proportional to 10,551.61, 15,821.57 and 4,316.00 is: 6,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.61 : 15,821.57 = 4,316.00 : x
  2. Step 2: Convert to fraction form
    10,551.61/15,821.57 = 4,316.00/x
  3. Step 3: Cross multiply
    10,551.61x = 15,821.57 × 4,316.00
  4. Step 4: Simplify right side
    10,551.61x = 68,285,845.78
  5. Step 5: Solve for x
    x = 68,285,845.78/10,551.61
  6. Step 6: Final answer
    x = 6,471.61

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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.