Home / 8,609.34-11,880.50-5,251.62

Finding the Fourth Proportional to 8,609.34, 11,880.50 and 5,251.62

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Solution

The fourth proportional to 8,609.34, 11,880.50 and 5,251.62 is: 7,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.34 : 11,880.50 = 5,251.62 : x
  2. Step 2: Convert to fraction form
    8,609.34/11,880.50 = 5,251.62/x
  3. Step 3: Cross multiply
    8,609.34x = 11,880.50 × 5,251.62
  4. Step 4: Simplify right side
    8,609.34x = 62,391,871.41
  5. Step 5: Solve for x
    x = 62,391,871.41/8,609.34
  6. Step 6: Final answer
    x = 7,247.00

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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.