Home / 12,362.76-18,533.88-5,785.56

Finding the Fourth Proportional to 12,362.76, 18,533.88 and 5,785.56

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Solution

The fourth proportional to 12,362.76, 18,533.88 and 5,785.56 is: 8,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.76 : 18,533.88 = 5,785.56 : x
  2. Step 2: Convert to fraction form
    12,362.76/18,533.88 = 5,785.56/x
  3. Step 3: Cross multiply
    12,362.76x = 18,533.88 × 5,785.56
  4. Step 4: Simplify right side
    12,362.76x = 107,228,874.77
  5. Step 5: Solve for x
    x = 107,228,874.77/12,362.76
  6. Step 6: Final answer
    x = 8,673.54

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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.