Home / 12,458.21-17,193.53-9,308.93

Finding the Fourth Proportional to 12,458.21, 17,193.53 and 9,308.93

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Solution

The fourth proportional to 12,458.21, 17,193.53 and 9,308.93 is: 12,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.21 : 17,193.53 = 9,308.93 : x
  2. Step 2: Convert to fraction form
    12,458.21/17,193.53 = 9,308.93/x
  3. Step 3: Cross multiply
    12,458.21x = 17,193.53 × 9,308.93
  4. Step 4: Simplify right side
    12,458.21x = 160,053,304.53
  5. Step 5: Solve for x
    x = 160,053,304.53/12,458.21
  6. Step 6: Final answer
    x = 12,847.22

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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.