Home / 12,101.25-16,701.34-7,325.05

Finding the Fourth Proportional to 12,101.25, 16,701.34 and 7,325.05

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Solution

The fourth proportional to 12,101.25, 16,701.34 and 7,325.05 is: 10,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.25 : 16,701.34 = 7,325.05 : x
  2. Step 2: Convert to fraction form
    12,101.25/16,701.34 = 7,325.05/x
  3. Step 3: Cross multiply
    12,101.25x = 16,701.34 × 7,325.05
  4. Step 4: Simplify right side
    12,101.25x = 122,338,135.55
  5. Step 5: Solve for x
    x = 122,338,135.55/12,101.25
  6. Step 6: Final answer
    x = 10,109.55

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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.