Home / 12,693.48-17,523.06-8,451.60

Finding the Fourth Proportional to 12,693.48, 17,523.06 and 8,451.60

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Solution

The fourth proportional to 12,693.48, 17,523.06 and 8,451.60 is: 11,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.48 : 17,523.06 = 8,451.60 : x
  2. Step 2: Convert to fraction form
    12,693.48/17,523.06 = 8,451.60/x
  3. Step 3: Cross multiply
    12,693.48x = 17,523.06 × 8,451.60
  4. Step 4: Simplify right side
    12,693.48x = 148,097,893.90
  5. Step 5: Solve for x
    x = 148,097,893.90/12,693.48
  6. Step 6: Final answer
    x = 11,667.24

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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.