Home / 12,620.14-17,415.56-6,955.41

Finding the Fourth Proportional to 12,620.14, 17,415.56 and 6,955.41

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Solution

The fourth proportional to 12,620.14, 17,415.56 and 6,955.41 is: 9,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.14 : 17,415.56 = 6,955.41 : x
  2. Step 2: Convert to fraction form
    12,620.14/17,415.56 = 6,955.41/x
  3. Step 3: Cross multiply
    12,620.14x = 17,415.56 × 6,955.41
  4. Step 4: Simplify right side
    12,620.14x = 121,132,325.40
  5. Step 5: Solve for x
    x = 121,132,325.40/12,620.14
  6. Step 6: Final answer
    x = 9,598.33

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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.