Home / 8,370.06-12,545.86-3,685.10

Finding the Fourth Proportional to 8,370.06, 12,545.86 and 3,685.10

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Solution

The fourth proportional to 8,370.06, 12,545.86 and 3,685.10 is: 5,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.06 : 12,545.86 = 3,685.10 : x
  2. Step 2: Convert to fraction form
    8,370.06/12,545.86 = 3,685.10/x
  3. Step 3: Cross multiply
    8,370.06x = 12,545.86 × 3,685.10
  4. Step 4: Simplify right side
    8,370.06x = 46,232,694.02
  5. Step 5: Solve for x
    x = 46,232,694.02/8,370.06
  6. Step 6: Final answer
    x = 5,523.58

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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.