Home / 12,863.12-19,289.78-4,541.58

Finding the Fourth Proportional to 12,863.12, 19,289.78 and 4,541.58

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Solution

The fourth proportional to 12,863.12, 19,289.78 and 4,541.58 is: 6,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.12 : 19,289.78 = 4,541.58 : x
  2. Step 2: Convert to fraction form
    12,863.12/19,289.78 = 4,541.58/x
  3. Step 3: Cross multiply
    12,863.12x = 19,289.78 × 4,541.58
  4. Step 4: Simplify right side
    12,863.12x = 87,606,079.05
  5. Step 5: Solve for x
    x = 87,606,079.05/12,863.12
  6. Step 6: Final answer
    x = 6,810.64

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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.