Home / 8,303.29-12,455.66-2,756.68

Finding the Fourth Proportional to 8,303.29, 12,455.66 and 2,756.68

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Solution

The fourth proportional to 8,303.29, 12,455.66 and 2,756.68 is: 4,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.29 : 12,455.66 = 2,756.68 : x
  2. Step 2: Convert to fraction form
    8,303.29/12,455.66 = 2,756.68/x
  3. Step 3: Cross multiply
    8,303.29x = 12,455.66 × 2,756.68
  4. Step 4: Simplify right side
    8,303.29x = 34,336,244.56
  5. Step 5: Solve for x
    x = 34,336,244.56/8,303.29
  6. Step 6: Final answer
    x = 4,135.26

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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.