Home / 10,119.62-15,180.78-9,504.50

Finding the Fourth Proportional to 10,119.62, 15,180.78 and 9,504.50

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Solution

The fourth proportional to 10,119.62, 15,180.78 and 9,504.50 is: 14,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.62 : 15,180.78 = 9,504.50 : x
  2. Step 2: Convert to fraction form
    10,119.62/15,180.78 = 9,504.50/x
  3. Step 3: Cross multiply
    10,119.62x = 15,180.78 × 9,504.50
  4. Step 4: Simplify right side
    10,119.62x = 144,285,723.51
  5. Step 5: Solve for x
    x = 144,285,723.51/10,119.62
  6. Step 6: Final answer
    x = 14,258.02

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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.