Home / 28,841.03-43,257.83-9,121.58

Finding the Fourth Proportional to 28,841.03, 43,257.83 and 9,121.58

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Solution

The fourth proportional to 28,841.03, 43,257.83 and 9,121.58 is: 13,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.03 : 43,257.83 = 9,121.58 : x
  2. Step 2: Convert to fraction form
    28,841.03/43,257.83 = 9,121.58/x
  3. Step 3: Cross multiply
    28,841.03x = 43,257.83 × 9,121.58
  4. Step 4: Simplify right side
    28,841.03x = 394,579,495.07
  5. Step 5: Solve for x
    x = 394,579,495.07/28,841.03
  6. Step 6: Final answer
    x = 13,681.19

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1.5x scale

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.