Home / 11,313.39-16,970.09-3,522.21

Finding the Fourth Proportional to 11,313.39, 16,970.09 and 3,522.21

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Solution

The fourth proportional to 11,313.39, 16,970.09 and 3,522.21 is: 5,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.39 : 16,970.09 = 3,522.21 : x
  2. Step 2: Convert to fraction form
    11,313.39/16,970.09 = 3,522.21/x
  3. Step 3: Cross multiply
    11,313.39x = 16,970.09 × 3,522.21
  4. Step 4: Simplify right side
    11,313.39x = 59,772,220.70
  5. Step 5: Solve for x
    x = 59,772,220.70/11,313.39
  6. Step 6: Final answer
    x = 5,283.32

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Double scale
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Similar ratio
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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.