Home / 11,358.70-17,045.35-5,512.12

Finding the Fourth Proportional to 11,358.70, 17,045.35 and 5,512.12

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Solution

The fourth proportional to 11,358.70, 17,045.35 and 5,512.12 is: 8,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.70 : 17,045.35 = 5,512.12 : x
  2. Step 2: Convert to fraction form
    11,358.70/17,045.35 = 5,512.12/x
  3. Step 3: Cross multiply
    11,358.70x = 17,045.35 × 5,512.12
  4. Step 4: Simplify right side
    11,358.70x = 93,956,029.69
  5. Step 5: Solve for x
    x = 93,956,029.69/11,358.70
  6. Step 6: Final answer
    x = 8,271.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.