Home / 9,041.03-12,480.11-8,791.35

Finding the Fourth Proportional to 9,041.03, 12,480.11 and 8,791.35

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Solution

The fourth proportional to 9,041.03, 12,480.11 and 8,791.35 is: 12,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.03 : 12,480.11 = 8,791.35 : x
  2. Step 2: Convert to fraction form
    9,041.03/12,480.11 = 8,791.35/x
  3. Step 3: Cross multiply
    9,041.03x = 12,480.11 × 8,791.35
  4. Step 4: Simplify right side
    9,041.03x = 109,717,015.05
  5. Step 5: Solve for x
    x = 109,717,015.05/9,041.03
  6. Step 6: Final answer
    x = 12,135.46

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Double scale
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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.