Home / 11,054.04-16,580.52-4,128

Finding the Fourth Proportional to 11,054.04, 16,580.52 and 4,128

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Solution

The fourth proportional to 11,054.04, 16,580.52 and 4,128 is: 6,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.04 : 16,580.52 = 4,128 : x
  2. Step 2: Convert to fraction form
    11,054.04/16,580.52 = 4,128/x
  3. Step 3: Cross multiply
    11,054.04x = 16,580.52 × 4,128
  4. Step 4: Simplify right side
    11,054.04x = 68,444,386.56
  5. Step 5: Solve for x
    x = 68,444,386.56/11,054.04
  6. Step 6: Final answer
    x = 6,191.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.