Home / 7,935.98-11,900.07-3,254.72

Finding the Fourth Proportional to 7,935.98, 11,900.07 and 3,254.72

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Solution

The fourth proportional to 7,935.98, 11,900.07 and 3,254.72 is: 4,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.98 : 11,900.07 = 3,254.72 : x
  2. Step 2: Convert to fraction form
    7,935.98/11,900.07 = 3,254.72/x
  3. Step 3: Cross multiply
    7,935.98x = 11,900.07 × 3,254.72
  4. Step 4: Simplify right side
    7,935.98x = 38,731,395.83
  5. Step 5: Solve for x
    x = 38,731,395.83/7,935.98
  6. Step 6: Final answer
    x = 4,880.48

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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.