Home / 12,037.77-18,058.37-3,718.44

Finding the Fourth Proportional to 12,037.77, 18,058.37 and 3,718.44

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Solution

The fourth proportional to 12,037.77, 18,058.37 and 3,718.44 is: 5,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.77 : 18,058.37 = 3,718.44 : x
  2. Step 2: Convert to fraction form
    12,037.77/18,058.37 = 3,718.44/x
  3. Step 3: Cross multiply
    12,037.77x = 18,058.37 × 3,718.44
  4. Step 4: Simplify right side
    12,037.77x = 67,148,946.75
  5. Step 5: Solve for x
    x = 67,148,946.75/12,037.77
  6. Step 6: Final answer
    x = 5,578.19

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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.