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Finding the Fourth Proportional to 8,575.53, 12,769.59 and 8,260.23

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Solution

The fourth proportional to 8,575.53, 12,769.59 and 8,260.23 is: 12,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.53 : 12,769.59 = 8,260.23 : x
  2. Step 2: Convert to fraction form
    8,575.53/12,769.59 = 8,260.23/x
  3. Step 3: Cross multiply
    8,575.53x = 12,769.59 × 8,260.23
  4. Step 4: Simplify right side
    8,575.53x = 105,479,750.41
  5. Step 5: Solve for x
    x = 105,479,750.41/8,575.53
  6. Step 6: Final answer
    x = 12,300.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.