Home / 12,074.08-16,663.56-6,770.32

Finding the Fourth Proportional to 12,074.08, 16,663.56 and 6,770.32

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Solution

The fourth proportional to 12,074.08, 16,663.56 and 6,770.32 is: 9,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.08 : 16,663.56 = 6,770.32 : x
  2. Step 2: Convert to fraction form
    12,074.08/16,663.56 = 6,770.32/x
  3. Step 3: Cross multiply
    12,074.08x = 16,663.56 × 6,770.32
  4. Step 4: Simplify right side
    12,074.08x = 112,817,633.54
  5. Step 5: Solve for x
    x = 112,817,633.54/12,074.08
  6. Step 6: Final answer
    x = 9,343.79

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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.