Home / 12,064.73-18,108.80-5,829.21

Finding the Fourth Proportional to 12,064.73, 18,108.80 and 5,829.21

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Solution

The fourth proportional to 12,064.73, 18,108.80 and 5,829.21 is: 8,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.73 : 18,108.80 = 5,829.21 : x
  2. Step 2: Convert to fraction form
    12,064.73/18,108.80 = 5,829.21/x
  3. Step 3: Cross multiply
    12,064.73x = 18,108.80 × 5,829.21
  4. Step 4: Simplify right side
    12,064.73x = 105,559,998.05
  5. Step 5: Solve for x
    x = 105,559,998.05/12,064.73
  6. Step 6: Final answer
    x = 8,749.47

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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.