Home / 12,101.40-18,152.10-3,336.31

Finding the Fourth Proportional to 12,101.40, 18,152.10 and 3,336.31

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Solution

The fourth proportional to 12,101.40, 18,152.10 and 3,336.31 is: 5,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.40 : 18,152.10 = 3,336.31 : x
  2. Step 2: Convert to fraction form
    12,101.40/18,152.10 = 3,336.31/x
  3. Step 3: Cross multiply
    12,101.40x = 18,152.10 × 3,336.31
  4. Step 4: Simplify right side
    12,101.40x = 60,561,106.49
  5. Step 5: Solve for x
    x = 60,561,106.49/12,101.40
  6. Step 6: Final answer
    x = 5,004.47

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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.