Home / 6,318.81-9,478.23-2,424.15

Finding the Fourth Proportional to 6,318.81, 9,478.23 and 2,424.15

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Solution

The fourth proportional to 6,318.81, 9,478.23 and 2,424.15 is: 3,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.81 : 9,478.23 = 2,424.15 : x
  2. Step 2: Convert to fraction form
    6,318.81/9,478.23 = 2,424.15/x
  3. Step 3: Cross multiply
    6,318.81x = 9,478.23 × 2,424.15
  4. Step 4: Simplify right side
    6,318.81x = 22,976,651.25
  5. Step 5: Solve for x
    x = 22,976,651.25/6,318.81
  6. Step 6: Final answer
    x = 3,636.23

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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.