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Finding the Fourth Proportional to 8,230, 11,357.48 and 4,504.08

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Solution

The fourth proportional to 8,230, 11,357.48 and 4,504.08 is: 6,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230 : 11,357.48 = 4,504.08 : x
  2. Step 2: Convert to fraction form
    8,230/11,357.48 = 4,504.08/x
  3. Step 3: Cross multiply
    8,230x = 11,357.48 × 4,504.08
  4. Step 4: Simplify right side
    8,230x = 51,154,998.52
  5. Step 5: Solve for x
    x = 51,154,998.52/8,230
  6. Step 6: Final answer
    x = 6,215.67

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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.