Home / 7,855.14-10,840.09-4,499.06

Finding the Fourth Proportional to 7,855.14, 10,840.09 and 4,499.06

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Solution

The fourth proportional to 7,855.14, 10,840.09 and 4,499.06 is: 6,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.14 : 10,840.09 = 4,499.06 : x
  2. Step 2: Convert to fraction form
    7,855.14/10,840.09 = 4,499.06/x
  3. Step 3: Cross multiply
    7,855.14x = 10,840.09 × 4,499.06
  4. Step 4: Simplify right side
    7,855.14x = 48,770,192.82
  5. Step 5: Solve for x
    x = 48,770,192.82/7,855.14
  6. Step 6: Final answer
    x = 6,208.70

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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.