Home / 10,883.80-16,331.82-4,643.14

Finding the Fourth Proportional to 10,883.80, 16,331.82 and 4,643.14

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Solution

The fourth proportional to 10,883.80, 16,331.82 and 4,643.14 is: 6,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.80 : 16,331.82 = 4,643.14 : x
  2. Step 2: Convert to fraction form
    10,883.80/16,331.82 = 4,643.14/x
  3. Step 3: Cross multiply
    10,883.80x = 16,331.82 × 4,643.14
  4. Step 4: Simplify right side
    10,883.80x = 75,830,926.71
  5. Step 5: Solve for x
    x = 75,830,926.71/10,883.80
  6. Step 6: Final answer
    x = 6,967.32

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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.