Home / 12,671.06-17,485.55-7,365.46

Finding the Fourth Proportional to 12,671.06, 17,485.55 and 7,365.46

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Solution

The fourth proportional to 12,671.06, 17,485.55 and 7,365.46 is: 10,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.06 : 17,485.55 = 7,365.46 : x
  2. Step 2: Convert to fraction form
    12,671.06/17,485.55 = 7,365.46/x
  3. Step 3: Cross multiply
    12,671.06x = 17,485.55 × 7,365.46
  4. Step 4: Simplify right side
    12,671.06x = 128,789,115.66
  5. Step 5: Solve for x
    x = 128,789,115.66/12,671.06
  6. Step 6: Final answer
    x = 10,164.04

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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.