Home / 10,078.84-15,119.38-2,683.58

Finding the Fourth Proportional to 10,078.84, 15,119.38 and 2,683.58

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Solution

The fourth proportional to 10,078.84, 15,119.38 and 2,683.58 is: 4,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.84 : 15,119.38 = 2,683.58 : x
  2. Step 2: Convert to fraction form
    10,078.84/15,119.38 = 2,683.58/x
  3. Step 3: Cross multiply
    10,078.84x = 15,119.38 × 2,683.58
  4. Step 4: Simplify right side
    10,078.84x = 40,574,065.78
  5. Step 5: Solve for x
    x = 40,574,065.78/10,078.84
  6. Step 6: Final answer
    x = 4,025.67

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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.