Home / 12,076.04-18,115.53-3,756.50

Finding the Fourth Proportional to 12,076.04, 18,115.53 and 3,756.50

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Solution

The fourth proportional to 12,076.04, 18,115.53 and 3,756.50 is: 5,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.04 : 18,115.53 = 3,756.50 : x
  2. Step 2: Convert to fraction form
    12,076.04/18,115.53 = 3,756.50/x
  3. Step 3: Cross multiply
    12,076.04x = 18,115.53 × 3,756.50
  4. Step 4: Simplify right side
    12,076.04x = 68,050,988.45
  5. Step 5: Solve for x
    x = 68,050,988.45/12,076.04
  6. Step 6: Final answer
    x = 5,635.21

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1.5x scale

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.