Home / 12,063.12-16,647.48-6,756.72

Finding the Fourth Proportional to 12,063.12, 16,647.48 and 6,756.72

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Solution

The fourth proportional to 12,063.12, 16,647.48 and 6,756.72 is: 9,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.12 : 16,647.48 = 6,756.72 : x
  2. Step 2: Convert to fraction form
    12,063.12/16,647.48 = 6,756.72/x
  3. Step 3: Cross multiply
    12,063.12x = 16,647.48 × 6,756.72
  4. Step 4: Simplify right side
    12,063.12x = 112,482,361.07
  5. Step 5: Solve for x
    x = 112,482,361.07/12,063.12
  6. Step 6: Final answer
    x = 9,324.48

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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.