Home / 9,074.12-12,523.64-5,539.38

Finding the Fourth Proportional to 9,074.12, 12,523.64 and 5,539.38

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Solution

The fourth proportional to 9,074.12, 12,523.64 and 5,539.38 is: 7,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.12 : 12,523.64 = 5,539.38 : x
  2. Step 2: Convert to fraction form
    9,074.12/12,523.64 = 5,539.38/x
  3. Step 3: Cross multiply
    9,074.12x = 12,523.64 × 5,539.38
  4. Step 4: Simplify right side
    9,074.12x = 69,373,173.25
  5. Step 5: Solve for x
    x = 69,373,173.25/9,074.12
  6. Step 6: Final answer
    x = 7,645.17

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Half 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.