Home / 10,813.20-14,919.91-6,566.49

Finding the Fourth Proportional to 10,813.20, 14,919.91 and 6,566.49

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Solution

The fourth proportional to 10,813.20, 14,919.91 and 6,566.49 is: 9,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.20 : 14,919.91 = 6,566.49 : x
  2. Step 2: Convert to fraction form
    10,813.20/14,919.91 = 6,566.49/x
  3. Step 3: Cross multiply
    10,813.20x = 14,919.91 × 6,566.49
  4. Step 4: Simplify right side
    10,813.20x = 97,971,439.82
  5. Step 5: Solve for x
    x = 97,971,439.82/10,813.20
  6. Step 6: Final answer
    x = 9,060.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.