Home / 8,432.21-11,636.38-4,895.75

Finding the Fourth Proportional to 8,432.21, 11,636.38 and 4,895.75

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Solution

The fourth proportional to 8,432.21, 11,636.38 and 4,895.75 is: 6,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.21 : 11,636.38 = 4,895.75 : x
  2. Step 2: Convert to fraction form
    8,432.21/11,636.38 = 4,895.75/x
  3. Step 3: Cross multiply
    8,432.21x = 11,636.38 × 4,895.75
  4. Step 4: Simplify right side
    8,432.21x = 56,968,807.39
  5. Step 5: Solve for x
    x = 56,968,807.39/8,432.21
  6. Step 6: Final answer
    x = 6,756.09

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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.