Home / 11,030.42-15,221.89-6,722.27

Finding the Fourth Proportional to 11,030.42, 15,221.89 and 6,722.27

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Solution

The fourth proportional to 11,030.42, 15,221.89 and 6,722.27 is: 9,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.42 : 15,221.89 = 6,722.27 : x
  2. Step 2: Convert to fraction form
    11,030.42/15,221.89 = 6,722.27/x
  3. Step 3: Cross multiply
    11,030.42x = 15,221.89 × 6,722.27
  4. Step 4: Simplify right side
    11,030.42x = 102,325,643.87
  5. Step 5: Solve for x
    x = 102,325,643.87/11,030.42
  6. Step 6: Final answer
    x = 9,276.67

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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.