Home / 8,011.90-11,055.32-4,474.66

Finding the Fourth Proportional to 8,011.90, 11,055.32 and 4,474.66

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Solution

The fourth proportional to 8,011.90, 11,055.32 and 4,474.66 is: 6,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.90 : 11,055.32 = 4,474.66 : x
  2. Step 2: Convert to fraction form
    8,011.90/11,055.32 = 4,474.66/x
  3. Step 3: Cross multiply
    8,011.90x = 11,055.32 × 4,474.66
  4. Step 4: Simplify right side
    8,011.90x = 49,468,798.19
  5. Step 5: Solve for x
    x = 49,468,798.19/8,011.90
  6. Step 6: Final answer
    x = 6,174.42

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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.