Home / 10,057.78-15,091.67-4,515.04

Finding the Fourth Proportional to 10,057.78, 15,091.67 and 4,515.04

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Solution

The fourth proportional to 10,057.78, 15,091.67 and 4,515.04 is: 6,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.78 : 15,091.67 = 4,515.04 : x
  2. Step 2: Convert to fraction form
    10,057.78/15,091.67 = 4,515.04/x
  3. Step 3: Cross multiply
    10,057.78x = 15,091.67 × 4,515.04
  4. Step 4: Simplify right side
    10,057.78x = 68,139,493.72
  5. Step 5: Solve for x
    x = 68,139,493.72/10,057.78
  6. Step 6: Final answer
    x = 6,774.80

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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.