Home / 8,540.12-12,735.68-7,596.20

Finding the Fourth Proportional to 8,540.12, 12,735.68 and 7,596.20

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Solution

The fourth proportional to 8,540.12, 12,735.68 and 7,596.20 is: 11,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.12 : 12,735.68 = 7,596.20 : x
  2. Step 2: Convert to fraction form
    8,540.12/12,735.68 = 7,596.20/x
  3. Step 3: Cross multiply
    8,540.12x = 12,735.68 × 7,596.20
  4. Step 4: Simplify right side
    8,540.12x = 96,742,772.42
  5. Step 5: Solve for x
    x = 96,742,772.42/8,540.12
  6. Step 6: Final answer
    x = 11,328.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.