Home / 10,119.51-15,178.23-2,723.67

Finding the Fourth Proportional to 10,119.51, 15,178.23 and 2,723.67

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Solution

The fourth proportional to 10,119.51, 15,178.23 and 2,723.67 is: 4,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.51 : 15,178.23 = 2,723.67 : x
  2. Step 2: Convert to fraction form
    10,119.51/15,178.23 = 2,723.67/x
  3. Step 3: Cross multiply
    10,119.51x = 15,178.23 × 2,723.67
  4. Step 4: Simplify right side
    10,119.51x = 41,340,489.70
  5. Step 5: Solve for x
    x = 41,340,489.70/10,119.51
  6. Step 6: Final answer
    x = 4,085.23

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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.