Home / 12,069.93-16,655.58-6,763.72

Finding the Fourth Proportional to 12,069.93, 16,655.58 and 6,763.72

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Solution

The fourth proportional to 12,069.93, 16,655.58 and 6,763.72 is: 9,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.93 : 16,655.58 = 6,763.72 : x
  2. Step 2: Convert to fraction form
    12,069.93/16,655.58 = 6,763.72/x
  3. Step 3: Cross multiply
    12,069.93x = 16,655.58 × 6,763.72
  4. Step 4: Simplify right side
    12,069.93x = 112,653,679.56
  5. Step 5: Solve for x
    x = 112,653,679.56/12,069.93
  6. Step 6: Final answer
    x = 9,333.42

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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.