Home / 6,211.51-8,572.26-3,558.88

Finding the Fourth Proportional to 6,211.51, 8,572.26 and 3,558.88

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Solution

The fourth proportional to 6,211.51, 8,572.26 and 3,558.88 is: 4,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.51 : 8,572.26 = 3,558.88 : x
  2. Step 2: Convert to fraction form
    6,211.51/8,572.26 = 3,558.88/x
  3. Step 3: Cross multiply
    6,211.51x = 8,572.26 × 3,558.88
  4. Step 4: Simplify right side
    6,211.51x = 30,507,644.67
  5. Step 5: Solve for x
    x = 30,507,644.67/6,211.51
  6. Step 6: Final answer
    x = 4,911.47

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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.