Home / 12,038.16-18,057.24-3,274.36

Finding the Fourth Proportional to 12,038.16, 18,057.24 and 3,274.36

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Solution

The fourth proportional to 12,038.16, 18,057.24 and 3,274.36 is: 4,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.16 : 18,057.24 = 3,274.36 : x
  2. Step 2: Convert to fraction form
    12,038.16/18,057.24 = 3,274.36/x
  3. Step 3: Cross multiply
    12,038.16x = 18,057.24 × 3,274.36
  4. Step 4: Simplify right side
    12,038.16x = 59,125,904.37
  5. Step 5: Solve for x
    x = 59,125,904.37/12,038.16
  6. Step 6: Final answer
    x = 4,911.54

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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.