Home / 11,051.26-16,570.83-4,381

Finding the Fourth Proportional to 11,051.26, 16,570.83 and 4,381

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Solution

The fourth proportional to 11,051.26, 16,570.83 and 4,381 is: 6,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.26 : 16,570.83 = 4,381 : x
  2. Step 2: Convert to fraction form
    11,051.26/16,570.83 = 4,381/x
  3. Step 3: Cross multiply
    11,051.26x = 16,570.83 × 4,381
  4. Step 4: Simplify right side
    11,051.26x = 72,596,817.18
  5. Step 5: Solve for x
    x = 72,596,817.18/11,051.26
  6. Step 6: Final answer
    x = 6,569.10

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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.