Home / 28,826.07-43,235.52-7,767.76

Finding the Fourth Proportional to 28,826.07, 43,235.52 and 7,767.76

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Solution

The fourth proportional to 28,826.07, 43,235.52 and 7,767.76 is: 11,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.07 : 43,235.52 = 7,767.76 : x
  2. Step 2: Convert to fraction form
    28,826.07/43,235.52 = 7,767.76/x
  3. Step 3: Cross multiply
    28,826.07x = 43,235.52 × 7,767.76
  4. Step 4: Simplify right side
    28,826.07x = 335,843,142.84
  5. Step 5: Solve for x
    x = 335,843,142.84/28,826.07
  6. Step 6: Final answer
    x = 11,650.67

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Double scale
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Similar ratio
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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.