Home / 9,040.44-13,561.47-3,118.47

Finding the Fourth Proportional to 9,040.44, 13,561.47 and 3,118.47

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Solution

The fourth proportional to 9,040.44, 13,561.47 and 3,118.47 is: 4,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.44 : 13,561.47 = 3,118.47 : x
  2. Step 2: Convert to fraction form
    9,040.44/13,561.47 = 3,118.47/x
  3. Step 3: Cross multiply
    9,040.44x = 13,561.47 × 3,118.47
  4. Step 4: Simplify right side
    9,040.44x = 42,291,037.35
  5. Step 5: Solve for x
    x = 42,291,037.35/9,040.44
  6. Step 6: Final answer
    x = 4,677.98

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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.