Home / 12,012.32-16,576.08-6,706.64

Finding the Fourth Proportional to 12,012.32, 16,576.08 and 6,706.64

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Solution

The fourth proportional to 12,012.32, 16,576.08 and 6,706.64 is: 9,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.32 : 16,576.08 = 6,706.64 : x
  2. Step 2: Convert to fraction form
    12,012.32/16,576.08 = 6,706.64/x
  3. Step 3: Cross multiply
    12,012.32x = 16,576.08 × 6,706.64
  4. Step 4: Simplify right side
    12,012.32x = 111,169,801.17
  5. Step 5: Solve for x
    x = 111,169,801.17/12,012.32
  6. Step 6: Final answer
    x = 9,254.65

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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.