Home / 9,038.44-12,468.90-5,309.80

Finding the Fourth Proportional to 9,038.44, 12,468.90 and 5,309.80

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Solution

The fourth proportional to 9,038.44, 12,468.90 and 5,309.80 is: 7,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.44 : 12,468.90 = 5,309.80 : x
  2. Step 2: Convert to fraction form
    9,038.44/12,468.90 = 5,309.80/x
  3. Step 3: Cross multiply
    9,038.44x = 12,468.90 × 5,309.80
  4. Step 4: Simplify right side
    9,038.44x = 66,207,365.22
  5. Step 5: Solve for x
    x = 66,207,365.22/9,038.44
  6. Step 6: Final answer
    x = 7,325.09

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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.