Home / 12,011.28-16,576.32-6,706.10

Finding the Fourth Proportional to 12,011.28, 16,576.32 and 6,706.10

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Solution

The fourth proportional to 12,011.28, 16,576.32 and 6,706.10 is: 9,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.28 : 16,576.32 = 6,706.10 : x
  2. Step 2: Convert to fraction form
    12,011.28/16,576.32 = 6,706.10/x
  3. Step 3: Cross multiply
    12,011.28x = 16,576.32 × 6,706.10
  4. Step 4: Simplify right side
    12,011.28x = 111,162,376.67
  5. Step 5: Solve for x
    x = 111,162,376.67/12,011.28
  6. Step 6: Final answer
    x = 9,254.83

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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.