Home / 12,069.46-16,656.18-6,764.17

Finding the Fourth Proportional to 12,069.46, 16,656.18 and 6,764.17

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Solution

The fourth proportional to 12,069.46, 16,656.18 and 6,764.17 is: 9,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.46 : 16,656.18 = 6,764.17 : x
  2. Step 2: Convert to fraction form
    12,069.46/16,656.18 = 6,764.17/x
  3. Step 3: Cross multiply
    12,069.46x = 16,656.18 × 6,764.17
  4. Step 4: Simplify right side
    12,069.46x = 112,665,233.07
  5. Step 5: Solve for x
    x = 112,665,233.07/12,069.46
  6. Step 6: Final answer
    x = 9,334.74

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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.