Home / 12,342.14-17,014.44-8,799.20

Finding the Fourth Proportional to 12,342.14, 17,014.44 and 8,799.20

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Solution

The fourth proportional to 12,342.14, 17,014.44 and 8,799.20 is: 12,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.14 : 17,014.44 = 8,799.20 : x
  2. Step 2: Convert to fraction form
    12,342.14/17,014.44 = 8,799.20/x
  3. Step 3: Cross multiply
    12,342.14x = 17,014.44 × 8,799.20
  4. Step 4: Simplify right side
    12,342.14x = 149,713,460.45
  5. Step 5: Solve for x
    x = 149,713,460.45/12,342.14
  6. Step 6: Final answer
    x = 12,130.27

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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.