Home / 12,069.74-16,655.32-6,763.84

Finding the Fourth Proportional to 12,069.74, 16,655.32 and 6,763.84

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Solution

The fourth proportional to 12,069.74, 16,655.32 and 6,763.84 is: 9,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.74 : 16,655.32 = 6,763.84 : x
  2. Step 2: Convert to fraction form
    12,069.74/16,655.32 = 6,763.84/x
  3. Step 3: Cross multiply
    12,069.74x = 16,655.32 × 6,763.84
  4. Step 4: Simplify right side
    12,069.74x = 112,653,886.45
  5. Step 5: Solve for x
    x = 112,653,886.45/12,069.74
  6. Step 6: Final answer
    x = 9,333.58

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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.