Home / 10,855.47-16,285.23-4,932.77

Finding the Fourth Proportional to 10,855.47, 16,285.23 and 4,932.77

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Solution

The fourth proportional to 10,855.47, 16,285.23 and 4,932.77 is: 7,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.47 : 16,285.23 = 4,932.77 : x
  2. Step 2: Convert to fraction form
    10,855.47/16,285.23 = 4,932.77/x
  3. Step 3: Cross multiply
    10,855.47x = 16,285.23 × 4,932.77
  4. Step 4: Simplify right side
    10,855.47x = 80,331,293.99
  5. Step 5: Solve for x
    x = 80,331,293.99/10,855.47
  6. Step 6: Final answer
    x = 7,400.08

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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.