Home / 10,876.64-16,316.04-3,479.24

Finding the Fourth Proportional to 10,876.64, 16,316.04 and 3,479.24

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Solution

The fourth proportional to 10,876.64, 16,316.04 and 3,479.24 is: 5,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.64 : 16,316.04 = 3,479.24 : x
  2. Step 2: Convert to fraction form
    10,876.64/16,316.04 = 3,479.24/x
  3. Step 3: Cross multiply
    10,876.64x = 16,316.04 × 3,479.24
  4. Step 4: Simplify right side
    10,876.64x = 56,767,419.01
  5. Step 5: Solve for x
    x = 56,767,419.01/10,876.64
  6. Step 6: Final answer
    x = 5,219.21

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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.