Home / 8,078.77-11,148.59-4,541.99

Finding the Fourth Proportional to 8,078.77, 11,148.59 and 4,541.99

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Solution

The fourth proportional to 8,078.77, 11,148.59 and 4,541.99 is: 6,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.77 : 11,148.59 = 4,541.99 : x
  2. Step 2: Convert to fraction form
    8,078.77/11,148.59 = 4,541.99/x
  3. Step 3: Cross multiply
    8,078.77x = 11,148.59 × 4,541.99
  4. Step 4: Simplify right side
    8,078.77x = 50,636,705.84
  5. Step 5: Solve for x
    x = 50,636,705.84/8,078.77
  6. Step 6: Final answer
    x = 6,267.88

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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.