Home / 12,590.32-17,372.46-7,284.82

Finding the Fourth Proportional to 12,590.32, 17,372.46 and 7,284.82

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Solution

The fourth proportional to 12,590.32, 17,372.46 and 7,284.82 is: 10,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.32 : 17,372.46 = 7,284.82 : x
  2. Step 2: Convert to fraction form
    12,590.32/17,372.46 = 7,284.82/x
  3. Step 3: Cross multiply
    12,590.32x = 17,372.46 × 7,284.82
  4. Step 4: Simplify right side
    12,590.32x = 126,555,244.06
  5. Step 5: Solve for x
    x = 126,555,244.06/12,590.32
  6. Step 6: Final answer
    x = 10,051.79

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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.