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Finding the Fourth Proportional to 9,076.52, 12,525.62 and 5,043.39

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Solution

The fourth proportional to 9,076.52, 12,525.62 and 5,043.39 is: 6,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.52 : 12,525.62 = 5,043.39 : x
  2. Step 2: Convert to fraction form
    9,076.52/12,525.62 = 5,043.39/x
  3. Step 3: Cross multiply
    9,076.52x = 12,525.62 × 5,043.39
  4. Step 4: Simplify right side
    9,076.52x = 63,171,586.65
  5. Step 5: Solve for x
    x = 63,171,586.65/9,076.52
  6. Step 6: Final answer
    x = 6,959.89

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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.