Home / 6,316.43-9,474.72-1,636.45

Finding the Fourth Proportional to 6,316.43, 9,474.72 and 1,636.45

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Solution

The fourth proportional to 6,316.43, 9,474.72 and 1,636.45 is: 2,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.43 : 9,474.72 = 1,636.45 : x
  2. Step 2: Convert to fraction form
    6,316.43/9,474.72 = 1,636.45/x
  3. Step 3: Cross multiply
    6,316.43x = 9,474.72 × 1,636.45
  4. Step 4: Simplify right side
    6,316.43x = 15,504,938.22
  5. Step 5: Solve for x
    x = 15,504,938.22/6,316.43
  6. Step 6: Final answer
    x = 2,454.70

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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.