Home / 8,365.76-11,518.44-6,369.92

Finding the Fourth Proportional to 8,365.76, 11,518.44 and 6,369.92

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Solution

The fourth proportional to 8,365.76, 11,518.44 and 6,369.92 is: 8,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.76 : 11,518.44 = 6,369.92 : x
  2. Step 2: Convert to fraction form
    8,365.76/11,518.44 = 6,369.92/x
  3. Step 3: Cross multiply
    8,365.76x = 11,518.44 × 6,369.92
  4. Step 4: Simplify right side
    8,365.76x = 73,371,541.32
  5. Step 5: Solve for x
    x = 73,371,541.32/8,365.76
  6. Step 6: Final answer
    x = 8,770.46

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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.