Home / 12,295.83-18,443.77-5,271.31

Finding the Fourth Proportional to 12,295.83, 18,443.77 and 5,271.31

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Solution

The fourth proportional to 12,295.83, 18,443.77 and 5,271.31 is: 7,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.83 : 18,443.77 = 5,271.31 : x
  2. Step 2: Convert to fraction form
    12,295.83/18,443.77 = 5,271.31/x
  3. Step 3: Cross multiply
    12,295.83x = 18,443.77 × 5,271.31
  4. Step 4: Simplify right side
    12,295.83x = 97,222,839.12
  5. Step 5: Solve for x
    x = 97,222,839.12/12,295.83
  6. Step 6: Final answer
    x = 7,906.97

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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.