Home / 12,087.20-16,676.33-7,308.60

Finding the Fourth Proportional to 12,087.20, 16,676.33 and 7,308.60

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Solution

The fourth proportional to 12,087.20, 16,676.33 and 7,308.60 is: 10,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.20 : 16,676.33 = 7,308.60 : x
  2. Step 2: Convert to fraction form
    12,087.20/16,676.33 = 7,308.60/x
  3. Step 3: Cross multiply
    12,087.20x = 16,676.33 × 7,308.60
  4. Step 4: Simplify right side
    12,087.20x = 121,880,708.18
  5. Step 5: Solve for x
    x = 121,880,708.18/12,087.20
  6. Step 6: Final answer
    x = 10,083.45

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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.