Home / 11,298.75-15,592.83-6,822.42

Finding the Fourth Proportional to 11,298.75, 15,592.83 and 6,822.42

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Solution

The fourth proportional to 11,298.75, 15,592.83 and 6,822.42 is: 9,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.75 : 15,592.83 = 6,822.42 : x
  2. Step 2: Convert to fraction form
    11,298.75/15,592.83 = 6,822.42/x
  3. Step 3: Cross multiply
    11,298.75x = 15,592.83 × 6,822.42
  4. Step 4: Simplify right side
    11,298.75x = 106,380,835.25
  5. Step 5: Solve for x
    x = 106,380,835.25/11,298.75
  6. Step 6: Final answer
    x = 9,415.27

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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.