Home / 12,023.54-16,589.66-6,984.78

Finding the Fourth Proportional to 12,023.54, 16,589.66 and 6,984.78

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Solution

The fourth proportional to 12,023.54, 16,589.66 and 6,984.78 is: 9,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.54 : 16,589.66 = 6,984.78 : x
  2. Step 2: Convert to fraction form
    12,023.54/16,589.66 = 6,984.78/x
  3. Step 3: Cross multiply
    12,023.54x = 16,589.66 × 6,984.78
  4. Step 4: Simplify right side
    12,023.54x = 115,875,125.37
  5. Step 5: Solve for x
    x = 115,875,125.37/12,023.54
  6. Step 6: Final answer
    x = 9,637.36

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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.