Home / 8,070.56-11,141.93-5,240.44

Finding the Fourth Proportional to 8,070.56, 11,141.93 and 5,240.44

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Solution

The fourth proportional to 8,070.56, 11,141.93 and 5,240.44 is: 7,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.56 : 11,141.93 = 5,240.44 : x
  2. Step 2: Convert to fraction form
    8,070.56/11,141.93 = 5,240.44/x
  3. Step 3: Cross multiply
    8,070.56x = 11,141.93 × 5,240.44
  4. Step 4: Simplify right side
    8,070.56x = 58,388,615.65
  5. Step 5: Solve for x
    x = 58,388,615.65/8,070.56
  6. Step 6: Final answer
    x = 7,234.77

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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.