Home / 9,269.80-12,785.74-5,734.68

Finding the Fourth Proportional to 9,269.80, 12,785.74 and 5,734.68

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Solution

The fourth proportional to 9,269.80, 12,785.74 and 5,734.68 is: 7,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.80 : 12,785.74 = 5,734.68 : x
  2. Step 2: Convert to fraction form
    9,269.80/12,785.74 = 5,734.68/x
  3. Step 3: Cross multiply
    9,269.80x = 12,785.74 × 5,734.68
  4. Step 4: Simplify right side
    9,269.80x = 73,322,127.46
  5. Step 5: Solve for x
    x = 73,322,127.46/9,269.80
  6. Step 6: Final answer
    x = 7,909.79

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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.