Home / 11,284.08-16,929-7,153.44

Finding the Fourth Proportional to 11,284.08, 16,929 and 7,153.44

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Solution

The fourth proportional to 11,284.08, 16,929 and 7,153.44 is: 10,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.08 : 16,929 = 7,153.44 : x
  2. Step 2: Convert to fraction form
    11,284.08/16,929 = 7,153.44/x
  3. Step 3: Cross multiply
    11,284.08x = 16,929 × 7,153.44
  4. Step 4: Simplify right side
    11,284.08x = 121,100,585.76
  5. Step 5: Solve for x
    x = 121,100,585.76/11,284.08
  6. Step 6: Final answer
    x = 10,731.99

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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.