Home / 12,015.60-16,576.41-7,536.30

Finding the Fourth Proportional to 12,015.60, 16,576.41 and 7,536.30

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Solution

The fourth proportional to 12,015.60, 16,576.41 and 7,536.30 is: 10,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.60 : 16,576.41 = 7,536.30 : x
  2. Step 2: Convert to fraction form
    12,015.60/16,576.41 = 7,536.30/x
  3. Step 3: Cross multiply
    12,015.60x = 16,576.41 × 7,536.30
  4. Step 4: Simplify right side
    12,015.60x = 124,924,798.68
  5. Step 5: Solve for x
    x = 124,924,798.68/12,015.60
  6. Step 6: Final answer
    x = 10,396.88

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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.