Home / 12,622.51-17,419.19-6,957.46

Finding the Fourth Proportional to 12,622.51, 17,419.19 and 6,957.46

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Solution

The fourth proportional to 12,622.51, 17,419.19 and 6,957.46 is: 9,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.51 : 17,419.19 = 6,957.46 : x
  2. Step 2: Convert to fraction form
    12,622.51/17,419.19 = 6,957.46/x
  3. Step 3: Cross multiply
    12,622.51x = 17,419.19 × 6,957.46
  4. Step 4: Simplify right side
    12,622.51x = 121,193,317.66
  5. Step 5: Solve for x
    x = 121,193,317.66/12,622.51
  6. Step 6: Final answer
    x = 9,601.36

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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.