Home / 11,211.05-15,471.14-6,175.17

Finding the Fourth Proportional to 11,211.05, 15,471.14 and 6,175.17

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Solution

The fourth proportional to 11,211.05, 15,471.14 and 6,175.17 is: 8,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.05 : 15,471.14 = 6,175.17 : x
  2. Step 2: Convert to fraction form
    11,211.05/15,471.14 = 6,175.17/x
  3. Step 3: Cross multiply
    11,211.05x = 15,471.14 × 6,175.17
  4. Step 4: Simplify right side
    11,211.05x = 95,536,888.72
  5. Step 5: Solve for x
    x = 95,536,888.72/11,211.05
  6. Step 6: Final answer
    x = 8,521.67

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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.