Home / 8,078.81-11,148.35-4,541.94

Finding the Fourth Proportional to 8,078.81, 11,148.35 and 4,541.94

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Solution

The fourth proportional to 8,078.81, 11,148.35 and 4,541.94 is: 6,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.81 : 11,148.35 = 4,541.94 : x
  2. Step 2: Convert to fraction form
    8,078.81/11,148.35 = 4,541.94/x
  3. Step 3: Cross multiply
    8,078.81x = 11,148.35 × 4,541.94
  4. Step 4: Simplify right side
    8,078.81x = 50,635,114.09
  5. Step 5: Solve for x
    x = 50,635,114.09/8,078.81
  6. Step 6: Final answer
    x = 6,267.65

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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.