Home / 12,146.96-16,762.38-6,842.27

Finding the Fourth Proportional to 12,146.96, 16,762.38 and 6,842.27

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Solution

The fourth proportional to 12,146.96, 16,762.38 and 6,842.27 is: 9,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.96 : 16,762.38 = 6,842.27 : x
  2. Step 2: Convert to fraction form
    12,146.96/16,762.38 = 6,842.27/x
  3. Step 3: Cross multiply
    12,146.96x = 16,762.38 × 6,842.27
  4. Step 4: Simplify right side
    12,146.96x = 114,692,645.99
  5. Step 5: Solve for x
    x = 114,692,645.99/12,146.96
  6. Step 6: Final answer
    x = 9,442.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.