Home / 12,029.34-18,043.59-5,450.91

Finding the Fourth Proportional to 12,029.34, 18,043.59 and 5,450.91

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Solution

The fourth proportional to 12,029.34, 18,043.59 and 5,450.91 is: 8,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.34 : 18,043.59 = 5,450.91 : x
  2. Step 2: Convert to fraction form
    12,029.34/18,043.59 = 5,450.91/x
  3. Step 3: Cross multiply
    12,029.34x = 18,043.59 × 5,450.91
  4. Step 4: Simplify right side
    12,029.34x = 98,353,985.17
  5. Step 5: Solve for x
    x = 98,353,985.17/12,029.34
  6. Step 6: Final answer
    x = 8,176.17

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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.