Home / 8,628.27-11,906.64-5,276.67

Finding the Fourth Proportional to 8,628.27, 11,906.64 and 5,276.67

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Solution

The fourth proportional to 8,628.27, 11,906.64 and 5,276.67 is: 7,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.27 : 11,906.64 = 5,276.67 : x
  2. Step 2: Convert to fraction form
    8,628.27/11,906.64 = 5,276.67/x
  3. Step 3: Cross multiply
    8,628.27x = 11,906.64 × 5,276.67
  4. Step 4: Simplify right side
    8,628.27x = 62,827,410.09
  5. Step 5: Solve for x
    x = 62,827,410.09/8,628.27
  6. Step 6: Final answer
    x = 7,281.58

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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.