Home / 12,074.88-16,663.36-6,769.76

Finding the Fourth Proportional to 12,074.88, 16,663.36 and 6,769.76

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Solution

The fourth proportional to 12,074.88, 16,663.36 and 6,769.76 is: 9,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.88 : 16,663.36 = 6,769.76 : x
  2. Step 2: Convert to fraction form
    12,074.88/16,663.36 = 6,769.76/x
  3. Step 3: Cross multiply
    12,074.88x = 16,663.36 × 6,769.76
  4. Step 4: Simplify right side
    12,074.88x = 112,806,947.99
  5. Step 5: Solve for x
    x = 112,806,947.99/12,074.88
  6. Step 6: Final answer
    x = 9,342.28

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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.