Home / 7,013.98-9,679.40-4,183.00

Finding the Fourth Proportional to 7,013.98, 9,679.40 and 4,183.00

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Solution

The fourth proportional to 7,013.98, 9,679.40 and 4,183.00 is: 5,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.98 : 9,679.40 = 4,183.00 : x
  2. Step 2: Convert to fraction form
    7,013.98/9,679.40 = 4,183.00/x
  3. Step 3: Cross multiply
    7,013.98x = 9,679.40 × 4,183.00
  4. Step 4: Simplify right side
    7,013.98x = 40,488,900.77
  5. Step 5: Solve for x
    x = 40,488,900.77/7,013.98
  6. Step 6: Final answer
    x = 5,772.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.