Home / 8,370.01-12,558.43-3,689.83

Finding the Fourth Proportional to 8,370.01, 12,558.43 and 3,689.83

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Solution

The fourth proportional to 8,370.01, 12,558.43 and 3,689.83 is: 5,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.01 : 12,558.43 = 3,689.83 : x
  2. Step 2: Convert to fraction form
    8,370.01/12,558.43 = 3,689.83/x
  3. Step 3: Cross multiply
    8,370.01x = 12,558.43 × 3,689.83
  4. Step 4: Simplify right side
    8,370.01x = 46,338,471.77
  5. Step 5: Solve for x
    x = 46,338,471.77/8,370.01
  6. Step 6: Final answer
    x = 5,536.25

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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.