Home / 7,211.32-10,818.42-3,051.31

Finding the Fourth Proportional to 7,211.32, 10,818.42 and 3,051.31

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Solution

The fourth proportional to 7,211.32, 10,818.42 and 3,051.31 is: 4,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.32 : 10,818.42 = 3,051.31 : x
  2. Step 2: Convert to fraction form
    7,211.32/10,818.42 = 3,051.31/x
  3. Step 3: Cross multiply
    7,211.32x = 10,818.42 × 3,051.31
  4. Step 4: Simplify right side
    7,211.32x = 33,010,353.13
  5. Step 5: Solve for x
    x = 33,010,353.13/7,211.32
  6. Step 6: Final answer
    x = 4,577.57

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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.