Home / 10,188.02-15,282.04-2,792.54

Finding the Fourth Proportional to 10,188.02, 15,282.04 and 2,792.54

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Solution

The fourth proportional to 10,188.02, 15,282.04 and 2,792.54 is: 4,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.02 : 15,282.04 = 2,792.54 : x
  2. Step 2: Convert to fraction form
    10,188.02/15,282.04 = 2,792.54/x
  3. Step 3: Cross multiply
    10,188.02x = 15,282.04 × 2,792.54
  4. Step 4: Simplify right side
    10,188.02x = 42,675,707.98
  5. Step 5: Solve for x
    x = 42,675,707.98/10,188.02
  6. Step 6: Final answer
    x = 4,188.81

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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.