Home / 10,873.47-16,313.10-3,478.07

Finding the Fourth Proportional to 10,873.47, 16,313.10 and 3,478.07

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Solution

The fourth proportional to 10,873.47, 16,313.10 and 3,478.07 is: 5,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.47 : 16,313.10 = 3,478.07 : x
  2. Step 2: Convert to fraction form
    10,873.47/16,313.10 = 3,478.07/x
  3. Step 3: Cross multiply
    10,873.47x = 16,313.10 × 3,478.07
  4. Step 4: Simplify right side
    10,873.47x = 56,738,131.46
  5. Step 5: Solve for x
    x = 56,738,131.46/10,873.47
  6. Step 6: Final answer
    x = 5,218.03

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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.