Home / 12,051.62-16,629.25-7,572.20

Finding the Fourth Proportional to 12,051.62, 16,629.25 and 7,572.20

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Solution

The fourth proportional to 12,051.62, 16,629.25 and 7,572.20 is: 10,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.62 : 16,629.25 = 7,572.20 : x
  2. Step 2: Convert to fraction form
    12,051.62/16,629.25 = 7,572.20/x
  3. Step 3: Cross multiply
    12,051.62x = 16,629.25 × 7,572.20
  4. Step 4: Simplify right side
    12,051.62x = 125,920,006.85
  5. Step 5: Solve for x
    x = 125,920,006.85/12,051.62
  6. Step 6: Final answer
    x = 10,448.39

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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.