Home / 9,403.14-12,976.42-5,211.46

Finding the Fourth Proportional to 9,403.14, 12,976.42 and 5,211.46

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Solution

The fourth proportional to 9,403.14, 12,976.42 and 5,211.46 is: 7,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.14 : 12,976.42 = 5,211.46 : x
  2. Step 2: Convert to fraction form
    9,403.14/12,976.42 = 5,211.46/x
  3. Step 3: Cross multiply
    9,403.14x = 12,976.42 × 5,211.46
  4. Step 4: Simplify right side
    9,403.14x = 67,626,093.77
  5. Step 5: Solve for x
    x = 67,626,093.77/9,403.14
  6. Step 6: Final answer
    x = 7,191.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.