Home / 10,881.36-16,298.36-6,722.44

Finding the Fourth Proportional to 10,881.36, 16,298.36 and 6,722.44

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Solution

The fourth proportional to 10,881.36, 16,298.36 and 6,722.44 is: 10,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.36 : 16,298.36 = 6,722.44 : x
  2. Step 2: Convert to fraction form
    10,881.36/16,298.36 = 6,722.44/x
  3. Step 3: Cross multiply
    10,881.36x = 16,298.36 × 6,722.44
  4. Step 4: Simplify right side
    10,881.36x = 109,564,747.20
  5. Step 5: Solve for x
    x = 109,564,747.20/10,881.36
  6. Step 6: Final answer
    x = 10,069.03

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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.