Home / 7,512.65-11,271.57-3,355.53

Finding the Fourth Proportional to 7,512.65, 11,271.57 and 3,355.53

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Solution

The fourth proportional to 7,512.65, 11,271.57 and 3,355.53 is: 5,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.65 : 11,271.57 = 3,355.53 : x
  2. Step 2: Convert to fraction form
    7,512.65/11,271.57 = 3,355.53/x
  3. Step 3: Cross multiply
    7,512.65x = 11,271.57 × 3,355.53
  4. Step 4: Simplify right side
    7,512.65x = 37,822,099.83
  5. Step 5: Solve for x
    x = 37,822,099.83/7,512.65
  6. Step 6: Final answer
    x = 5,034.45

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Why These Related Problems?

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