Home / 12,030.97-18,041.95-4,131.24

Finding the Fourth Proportional to 12,030.97, 18,041.95 and 4,131.24

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Solution

The fourth proportional to 12,030.97, 18,041.95 and 4,131.24 is: 6,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.97 : 18,041.95 = 4,131.24 : x
  2. Step 2: Convert to fraction form
    12,030.97/18,041.95 = 4,131.24/x
  3. Step 3: Cross multiply
    12,030.97x = 18,041.95 × 4,131.24
  4. Step 4: Simplify right side
    12,030.97x = 74,535,604.86
  5. Step 5: Solve for x
    x = 74,535,604.86/12,030.97
  6. Step 6: Final answer
    x = 6,195.31

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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.