Home / 11,845.51-16,346.55-6,809.60

Finding the Fourth Proportional to 11,845.51, 16,346.55 and 6,809.60

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Solution

The fourth proportional to 11,845.51, 16,346.55 and 6,809.60 is: 9,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.51 : 16,346.55 = 6,809.60 : x
  2. Step 2: Convert to fraction form
    11,845.51/16,346.55 = 6,809.60/x
  3. Step 3: Cross multiply
    11,845.51x = 16,346.55 × 6,809.60
  4. Step 4: Simplify right side
    11,845.51x = 111,313,466.88
  5. Step 5: Solve for x
    x = 111,313,466.88/11,845.51
  6. Step 6: Final answer
    x = 9,397.10

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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.