Home / 10,876.56-16,303.23-4,299.90

Finding the Fourth Proportional to 10,876.56, 16,303.23 and 4,299.90

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Solution

The fourth proportional to 10,876.56, 16,303.23 and 4,299.90 is: 6,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.56 : 16,303.23 = 4,299.90 : x
  2. Step 2: Convert to fraction form
    10,876.56/16,303.23 = 4,299.90/x
  3. Step 3: Cross multiply
    10,876.56x = 16,303.23 × 4,299.90
  4. Step 4: Simplify right side
    10,876.56x = 70,102,258.68
  5. Step 5: Solve for x
    x = 70,102,258.68/10,876.56
  6. Step 6: Final answer
    x = 6,445.26

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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.