Home / 12,370.74-18,551.51-5,351.77

Finding the Fourth Proportional to 12,370.74, 18,551.51 and 5,351.77

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Solution

The fourth proportional to 12,370.74, 18,551.51 and 5,351.77 is: 8,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.74 : 18,551.51 = 5,351.77 : x
  2. Step 2: Convert to fraction form
    12,370.74/18,551.51 = 5,351.77/x
  3. Step 3: Cross multiply
    12,370.74x = 18,551.51 × 5,351.77
  4. Step 4: Simplify right side
    12,370.74x = 99,283,414.67
  5. Step 5: Solve for x
    x = 99,283,414.67/12,370.74
  6. Step 6: Final answer
    x = 8,025.66

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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.