Home / 12,385.36-18,578.33-3,025.46

Finding the Fourth Proportional to 12,385.36, 18,578.33 and 3,025.46

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Solution

The fourth proportional to 12,385.36, 18,578.33 and 3,025.46 is: 4,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.36 : 18,578.33 = 3,025.46 : x
  2. Step 2: Convert to fraction form
    12,385.36/18,578.33 = 3,025.46/x
  3. Step 3: Cross multiply
    12,385.36x = 18,578.33 × 3,025.46
  4. Step 4: Simplify right side
    12,385.36x = 56,207,886.26
  5. Step 5: Solve for x
    x = 56,207,886.26/12,385.36
  6. Step 6: Final answer
    x = 4,538.25

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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.