Home / 6,111.20-9,172.26-4,547.49

Finding the Fourth Proportional to 6,111.20, 9,172.26 and 4,547.49

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Solution

The fourth proportional to 6,111.20, 9,172.26 and 4,547.49 is: 6,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.20 : 9,172.26 = 4,547.49 : x
  2. Step 2: Convert to fraction form
    6,111.20/9,172.26 = 4,547.49/x
  3. Step 3: Cross multiply
    6,111.20x = 9,172.26 × 4,547.49
  4. Step 4: Simplify right side
    6,111.20x = 41,710,760.63
  5. Step 5: Solve for x
    x = 41,710,760.63/6,111.20
  6. Step 6: Final answer
    x = 6,825.30

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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.