Home / 11,959.47-17,940.42-4,570.15

Finding the Fourth Proportional to 11,959.47, 17,940.42 and 4,570.15

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Solution

The fourth proportional to 11,959.47, 17,940.42 and 4,570.15 is: 6,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.47 : 17,940.42 = 4,570.15 : x
  2. Step 2: Convert to fraction form
    11,959.47/17,940.42 = 4,570.15/x
  3. Step 3: Cross multiply
    11,959.47x = 17,940.42 × 4,570.15
  4. Step 4: Simplify right side
    11,959.47x = 81,990,368.07
  5. Step 5: Solve for x
    x = 81,990,368.07/11,959.47
  6. Step 6: Final answer
    x = 6,855.68

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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.