Home / 8,403.56-12,594.39-3,724.91

Finding the Fourth Proportional to 8,403.56, 12,594.39 and 3,724.91

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Solution

The fourth proportional to 8,403.56, 12,594.39 and 3,724.91 is: 5,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.56 : 12,594.39 = 3,724.91 : x
  2. Step 2: Convert to fraction form
    8,403.56/12,594.39 = 3,724.91/x
  3. Step 3: Cross multiply
    8,403.56x = 12,594.39 × 3,724.91
  4. Step 4: Simplify right side
    8,403.56x = 46,912,937.77
  5. Step 5: Solve for x
    x = 46,912,937.77/8,403.56
  6. Step 6: Final answer
    x = 5,582.51

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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.