Home / 8,224.68-11,347.26-4,685.40

Finding the Fourth Proportional to 8,224.68, 11,347.26 and 4,685.40

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Solution

The fourth proportional to 8,224.68, 11,347.26 and 4,685.40 is: 6,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.68 : 11,347.26 = 4,685.40 : x
  2. Step 2: Convert to fraction form
    8,224.68/11,347.26 = 4,685.40/x
  3. Step 3: Cross multiply
    8,224.68x = 11,347.26 × 4,685.40
  4. Step 4: Simplify right side
    8,224.68x = 53,166,452.00
  5. Step 5: Solve for x
    x = 53,166,452.00/8,224.68
  6. Step 6: Final answer
    x = 6,464.26

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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.