Home / 12,023.81-16,589.48-6,919.06

Finding the Fourth Proportional to 12,023.81, 16,589.48 and 6,919.06

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Solution

The fourth proportional to 12,023.81, 16,589.48 and 6,919.06 is: 9,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.81 : 16,589.48 = 6,919.06 : x
  2. Step 2: Convert to fraction form
    12,023.81/16,589.48 = 6,919.06/x
  3. Step 3: Cross multiply
    12,023.81x = 16,589.48 × 6,919.06
  4. Step 4: Simplify right side
    12,023.81x = 114,783,562.53
  5. Step 5: Solve for x
    x = 114,783,562.53/12,023.81
  6. Step 6: Final answer
    x = 9,546.35

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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.