Home / 11,822.84-17,734.26-4,430.78

Finding the Fourth Proportional to 11,822.84, 17,734.26 and 4,430.78

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Solution

The fourth proportional to 11,822.84, 17,734.26 and 4,430.78 is: 6,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.84 : 17,734.26 = 4,430.78 : x
  2. Step 2: Convert to fraction form
    11,822.84/17,734.26 = 4,430.78/x
  3. Step 3: Cross multiply
    11,822.84x = 17,734.26 × 4,430.78
  4. Step 4: Simplify right side
    11,822.84x = 78,576,673.80
  5. Step 5: Solve for x
    x = 78,576,673.80/11,822.84
  6. Step 6: Final answer
    x = 6,646.17

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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.