Home / 9,103.96-12,563.48-5,125.11

Finding the Fourth Proportional to 9,103.96, 12,563.48 and 5,125.11

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Solution

The fourth proportional to 9,103.96, 12,563.48 and 5,125.11 is: 7,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.96 : 12,563.48 = 5,125.11 : x
  2. Step 2: Convert to fraction form
    9,103.96/12,563.48 = 5,125.11/x
  3. Step 3: Cross multiply
    9,103.96x = 12,563.48 × 5,125.11
  4. Step 4: Simplify right side
    9,103.96x = 64,389,128.54
  5. Step 5: Solve for x
    x = 64,389,128.54/9,103.96
  6. Step 6: Final answer
    x = 7,072.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.