Home / 8,485.44-11,707.47-4,900.11

Finding the Fourth Proportional to 8,485.44, 11,707.47 and 4,900.11

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Solution

The fourth proportional to 8,485.44, 11,707.47 and 4,900.11 is: 6,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.44 : 11,707.47 = 4,900.11 : x
  2. Step 2: Convert to fraction form
    8,485.44/11,707.47 = 4,900.11/x
  3. Step 3: Cross multiply
    8,485.44x = 11,707.47 × 4,900.11
  4. Step 4: Simplify right side
    8,485.44x = 57,367,890.82
  5. Step 5: Solve for x
    x = 57,367,890.82/8,485.44
  6. Step 6: Final answer
    x = 6,760.74

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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.