Home / 9,249.35-12,763.40-5,269.68

Finding the Fourth Proportional to 9,249.35, 12,763.40 and 5,269.68

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Solution

The fourth proportional to 9,249.35, 12,763.40 and 5,269.68 is: 7,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.35 : 12,763.40 = 5,269.68 : x
  2. Step 2: Convert to fraction form
    9,249.35/12,763.40 = 5,269.68/x
  3. Step 3: Cross multiply
    9,249.35x = 12,763.40 × 5,269.68
  4. Step 4: Simplify right side
    9,249.35x = 67,259,033.71
  5. Step 5: Solve for x
    x = 67,259,033.71/9,249.35
  6. Step 6: Final answer
    x = 7,271.76

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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.