Home / 8,863.21-12,231.46-4,884.32

Finding the Fourth Proportional to 8,863.21, 12,231.46 and 4,884.32

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Solution

The fourth proportional to 8,863.21, 12,231.46 and 4,884.32 is: 6,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.21 : 12,231.46 = 4,884.32 : x
  2. Step 2: Convert to fraction form
    8,863.21/12,231.46 = 4,884.32/x
  3. Step 3: Cross multiply
    8,863.21x = 12,231.46 × 4,884.32
  4. Step 4: Simplify right side
    8,863.21x = 59,742,364.71
  5. Step 5: Solve for x
    x = 59,742,364.71/8,863.21
  6. Step 6: Final answer
    x = 6,740.49

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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.