Home / 12,009.42-16,576.52-6,975.91

Finding the Fourth Proportional to 12,009.42, 16,576.52 and 6,975.91

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Solution

The fourth proportional to 12,009.42, 16,576.52 and 6,975.91 is: 9,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.42 : 16,576.52 = 6,975.91 : x
  2. Step 2: Convert to fraction form
    12,009.42/16,576.52 = 6,975.91/x
  3. Step 3: Cross multiply
    12,009.42x = 16,576.52 × 6,975.91
  4. Step 4: Simplify right side
    12,009.42x = 115,636,311.63
  5. Step 5: Solve for x
    x = 115,636,311.63/12,009.42
  6. Step 6: Final answer
    x = 9,628.80

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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.