Home / 9,291.32-13,939.12-3,051.68

Finding the Fourth Proportional to 9,291.32, 13,939.12 and 3,051.68

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Solution

The fourth proportional to 9,291.32, 13,939.12 and 3,051.68 is: 4,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.32 : 13,939.12 = 3,051.68 : x
  2. Step 2: Convert to fraction form
    9,291.32/13,939.12 = 3,051.68/x
  3. Step 3: Cross multiply
    9,291.32x = 13,939.12 × 3,051.68
  4. Step 4: Simplify right side
    9,291.32x = 42,537,733.72
  5. Step 5: Solve for x
    x = 42,537,733.72/9,291.32
  6. Step 6: Final answer
    x = 4,578.22

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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.