Home / 12,054.86-16,638.70-7,276.26

Finding the Fourth Proportional to 12,054.86, 16,638.70 and 7,276.26

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Solution

The fourth proportional to 12,054.86, 16,638.70 and 7,276.26 is: 10,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.86 : 16,638.70 = 7,276.26 : x
  2. Step 2: Convert to fraction form
    12,054.86/16,638.70 = 7,276.26/x
  3. Step 3: Cross multiply
    12,054.86x = 16,638.70 × 7,276.26
  4. Step 4: Simplify right side
    12,054.86x = 121,067,507.26
  5. Step 5: Solve for x
    x = 121,067,507.26/12,054.86
  6. Step 6: Final answer
    x = 10,043.05

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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.