Home / 12,038.66-18,051.35-3,716.37

Finding the Fourth Proportional to 12,038.66, 18,051.35 and 3,716.37

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Solution

The fourth proportional to 12,038.66, 18,051.35 and 3,716.37 is: 5,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.66 : 18,051.35 = 3,716.37 : x
  2. Step 2: Convert to fraction form
    12,038.66/18,051.35 = 3,716.37/x
  3. Step 3: Cross multiply
    12,038.66x = 18,051.35 × 3,716.37
  4. Step 4: Simplify right side
    12,038.66x = 67,085,477.02
  5. Step 5: Solve for x
    x = 67,085,477.02/12,038.66
  6. Step 6: Final answer
    x = 5,572.51

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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.