Home / 8,362.16-12,543.71-3,684.36

Finding the Fourth Proportional to 8,362.16, 12,543.71 and 3,684.36

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Solution

The fourth proportional to 8,362.16, 12,543.71 and 3,684.36 is: 5,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.16 : 12,543.71 = 3,684.36 : x
  2. Step 2: Convert to fraction form
    8,362.16/12,543.71 = 3,684.36/x
  3. Step 3: Cross multiply
    8,362.16x = 12,543.71 × 3,684.36
  4. Step 4: Simplify right side
    8,362.16x = 46,215,524.95
  5. Step 5: Solve for x
    x = 46,215,524.95/8,362.16
  6. Step 6: Final answer
    x = 5,526.75

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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.