Home / 12,533.46-18,780.75-4,738.02

Finding the Fourth Proportional to 12,533.46, 18,780.75 and 4,738.02

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Solution

The fourth proportional to 12,533.46, 18,780.75 and 4,738.02 is: 7,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.46 : 18,780.75 = 4,738.02 : x
  2. Step 2: Convert to fraction form
    12,533.46/18,780.75 = 4,738.02/x
  3. Step 3: Cross multiply
    12,533.46x = 18,780.75 × 4,738.02
  4. Step 4: Simplify right side
    12,533.46x = 88,983,569.12
  5. Step 5: Solve for x
    x = 88,983,569.12/12,533.46
  6. Step 6: Final answer
    x = 7,099.68

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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.