Home / 7,935.35-11,900.58-5,485.91

Finding the Fourth Proportional to 7,935.35, 11,900.58 and 5,485.91

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Solution

The fourth proportional to 7,935.35, 11,900.58 and 5,485.91 is: 8,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.35 : 11,900.58 = 5,485.91 : x
  2. Step 2: Convert to fraction form
    7,935.35/11,900.58 = 5,485.91/x
  3. Step 3: Cross multiply
    7,935.35x = 11,900.58 × 5,485.91
  4. Step 4: Simplify right side
    7,935.35x = 65,285,510.83
  5. Step 5: Solve for x
    x = 65,285,510.83/7,935.35
  6. Step 6: Final answer
    x = 8,227.17

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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.