Home / 40,783.80-61,173.36-11,199.54

Finding the Fourth Proportional to 40,783.80, 61,173.36 and 11,199.54

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Solution

The fourth proportional to 40,783.80, 61,173.36 and 11,199.54 is: 16,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.80 : 61,173.36 = 11,199.54 : x
  2. Step 2: Convert to fraction form
    40,783.80/61,173.36 = 11,199.54/x
  3. Step 3: Cross multiply
    40,783.80x = 61,173.36 × 11,199.54
  4. Step 4: Simplify right side
    40,783.80x = 685,113,492.25
  5. Step 5: Solve for x
    x = 685,113,492.25/40,783.80
  6. Step 6: Final answer
    x = 16,798.67

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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.