Home / 8,068.80-11,129.52-6,576.84

Finding the Fourth Proportional to 8,068.80, 11,129.52 and 6,576.84

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Solution

The fourth proportional to 8,068.80, 11,129.52 and 6,576.84 is: 9,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.80 : 11,129.52 = 6,576.84 : x
  2. Step 2: Convert to fraction form
    8,068.80/11,129.52 = 6,576.84/x
  3. Step 3: Cross multiply
    8,068.80x = 11,129.52 × 6,576.84
  4. Step 4: Simplify right side
    8,068.80x = 73,197,072.32
  5. Step 5: Solve for x
    x = 73,197,072.32/8,068.80
  6. Step 6: Final answer
    x = 9,071.62

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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.