Home / 10,882.40-16,314.03-4,313.20

Finding the Fourth Proportional to 10,882.40, 16,314.03 and 4,313.20

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Solution

The fourth proportional to 10,882.40, 16,314.03 and 4,313.20 is: 6,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.40 : 16,314.03 = 4,313.20 : x
  2. Step 2: Convert to fraction form
    10,882.40/16,314.03 = 4,313.20/x
  3. Step 3: Cross multiply
    10,882.40x = 16,314.03 × 4,313.20
  4. Step 4: Simplify right side
    10,882.40x = 70,365,571.06
  5. Step 5: Solve for x
    x = 70,365,571.06/10,882.40
  6. Step 6: Final answer
    x = 6,466.00

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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.