Home / 9,459.78-14,198.43-4,783.09

Finding the Fourth Proportional to 9,459.78, 14,198.43 and 4,783.09

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Solution

The fourth proportional to 9,459.78, 14,198.43 and 4,783.09 is: 7,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.78 : 14,198.43 = 4,783.09 : x
  2. Step 2: Convert to fraction form
    9,459.78/14,198.43 = 4,783.09/x
  3. Step 3: Cross multiply
    9,459.78x = 14,198.43 × 4,783.09
  4. Step 4: Simplify right side
    9,459.78x = 67,912,368.55
  5. Step 5: Solve for x
    x = 67,912,368.55/9,459.78
  6. Step 6: Final answer
    x = 7,179.06

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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.