Home / 8,317.60-12,476.40-4,151.38

Finding the Fourth Proportional to 8,317.60, 12,476.40 and 4,151.38

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Solution

The fourth proportional to 8,317.60, 12,476.40 and 4,151.38 is: 6,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.60 : 12,476.40 = 4,151.38 : x
  2. Step 2: Convert to fraction form
    8,317.60/12,476.40 = 4,151.38/x
  3. Step 3: Cross multiply
    8,317.60x = 12,476.40 × 4,151.38
  4. Step 4: Simplify right side
    8,317.60x = 51,794,277.43
  5. Step 5: Solve for x
    x = 51,794,277.43/8,317.60
  6. Step 6: Final answer
    x = 6,227.07

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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.