Home / 9,714.19-14,570.91-2,788.69

Finding the Fourth Proportional to 9,714.19, 14,570.91 and 2,788.69

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Solution

The fourth proportional to 9,714.19, 14,570.91 and 2,788.69 is: 4,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,714.19 : 14,570.91 = 2,788.69 : x
  2. Step 2: Convert to fraction form
    9,714.19/14,570.91 = 2,788.69/x
  3. Step 3: Cross multiply
    9,714.19x = 14,570.91 × 2,788.69
  4. Step 4: Simplify right side
    9,714.19x = 40,633,751.01
  5. Step 5: Solve for x
    x = 40,633,751.01/9,714.19
  6. Step 6: Final answer
    x = 4,182.93

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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.