Home / 12,575.34-17,361.56-8,330.03

Finding the Fourth Proportional to 12,575.34, 17,361.56 and 8,330.03

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Solution

The fourth proportional to 12,575.34, 17,361.56 and 8,330.03 is: 11,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.34 : 17,361.56 = 8,330.03 : x
  2. Step 2: Convert to fraction form
    12,575.34/17,361.56 = 8,330.03/x
  3. Step 3: Cross multiply
    12,575.34x = 17,361.56 × 8,330.03
  4. Step 4: Simplify right side
    12,575.34x = 144,622,187.19
  5. Step 5: Solve for x
    x = 144,622,187.19/12,575.34
  6. Step 6: Final answer
    x = 11,500.46

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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.