Home / 8,168.96-11,275.47-4,813.71

Finding the Fourth Proportional to 8,168.96, 11,275.47 and 4,813.71

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Solution

The fourth proportional to 8,168.96, 11,275.47 and 4,813.71 is: 6,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.96 : 11,275.47 = 4,813.71 : x
  2. Step 2: Convert to fraction form
    8,168.96/11,275.47 = 4,813.71/x
  3. Step 3: Cross multiply
    8,168.96x = 11,275.47 × 4,813.71
  4. Step 4: Simplify right side
    8,168.96x = 54,276,842.69
  5. Step 5: Solve for x
    x = 54,276,842.69/8,168.96
  6. Step 6: Final answer
    x = 6,644.28

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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.