Home / 8,145.26-11,240.58-4,788.14

Finding the Fourth Proportional to 8,145.26, 11,240.58 and 4,788.14

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Solution

The fourth proportional to 8,145.26, 11,240.58 and 4,788.14 is: 6,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.26 : 11,240.58 = 4,788.14 : x
  2. Step 2: Convert to fraction form
    8,145.26/11,240.58 = 4,788.14/x
  3. Step 3: Cross multiply
    8,145.26x = 11,240.58 × 4,788.14
  4. Step 4: Simplify right side
    8,145.26x = 53,821,470.72
  5. Step 5: Solve for x
    x = 53,821,470.72/8,145.26
  6. Step 6: Final answer
    x = 6,607.70

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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.