Home / 11,628.59-17,432.55-4,231.67

Finding the Fourth Proportional to 11,628.59, 17,432.55 and 4,231.67

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Solution

The fourth proportional to 11,628.59, 17,432.55 and 4,231.67 is: 6,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.59 : 17,432.55 = 4,231.67 : x
  2. Step 2: Convert to fraction form
    11,628.59/17,432.55 = 4,231.67/x
  3. Step 3: Cross multiply
    11,628.59x = 17,432.55 × 4,231.67
  4. Step 4: Simplify right side
    11,628.59x = 73,768,711.70
  5. Step 5: Solve for x
    x = 73,768,711.70/11,628.59
  6. Step 6: Final answer
    x = 6,343.74

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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.