Home / 12,299.61-18,461.97-9,002.91

Finding the Fourth Proportional to 12,299.61, 18,461.97 and 9,002.91

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Solution

The fourth proportional to 12,299.61, 18,461.97 and 9,002.91 is: 13,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.61 : 18,461.97 = 9,002.91 : x
  2. Step 2: Convert to fraction form
    12,299.61/18,461.97 = 9,002.91/x
  3. Step 3: Cross multiply
    12,299.61x = 18,461.97 × 9,002.91
  4. Step 4: Simplify right side
    12,299.61x = 166,211,454.33
  5. Step 5: Solve for x
    x = 166,211,454.33/12,299.61
  6. Step 6: Final answer
    x = 13,513.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.