Home / 9,072.73-13,601.40-4,140.64

Finding the Fourth Proportional to 9,072.73, 13,601.40 and 4,140.64

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Solution

The fourth proportional to 9,072.73, 13,601.40 and 4,140.64 is: 6,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.73 : 13,601.40 = 4,140.64 : x
  2. Step 2: Convert to fraction form
    9,072.73/13,601.40 = 4,140.64/x
  3. Step 3: Cross multiply
    9,072.73x = 13,601.40 × 4,140.64
  4. Step 4: Simplify right side
    9,072.73x = 56,318,500.90
  5. Step 5: Solve for x
    x = 56,318,500.90/9,072.73
  6. Step 6: Final answer
    x = 6,207.45

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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.