Home / 8,432.58-12,653.44-3,505.62

Finding the Fourth Proportional to 8,432.58, 12,653.44 and 3,505.62

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Solution

The fourth proportional to 8,432.58, 12,653.44 and 3,505.62 is: 5,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.58 : 12,653.44 = 3,505.62 : x
  2. Step 2: Convert to fraction form
    8,432.58/12,653.44 = 3,505.62/x
  3. Step 3: Cross multiply
    8,432.58x = 12,653.44 × 3,505.62
  4. Step 4: Simplify right side
    8,432.58x = 44,358,152.33
  5. Step 5: Solve for x
    x = 44,358,152.33/8,432.58
  6. Step 6: Final answer
    x = 5,260.33

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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.