Home / 11,929.28-16,464.20-8,583.17

Finding the Fourth Proportional to 11,929.28, 16,464.20 and 8,583.17

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Solution

The fourth proportional to 11,929.28, 16,464.20 and 8,583.17 is: 11,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.28 : 16,464.20 = 8,583.17 : x
  2. Step 2: Convert to fraction form
    11,929.28/16,464.20 = 8,583.17/x
  3. Step 3: Cross multiply
    11,929.28x = 16,464.20 × 8,583.17
  4. Step 4: Simplify right side
    11,929.28x = 141,314,902.28
  5. Step 5: Solve for x
    x = 141,314,902.28/11,929.28
  6. Step 6: Final answer
    x = 11,846.06

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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.