Home / 7,862.13-11,782.44-4,346.91

Finding the Fourth Proportional to 7,862.13, 11,782.44 and 4,346.91

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Solution

The fourth proportional to 7,862.13, 11,782.44 and 4,346.91 is: 6,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.13 : 11,782.44 = 4,346.91 : x
  2. Step 2: Convert to fraction form
    7,862.13/11,782.44 = 4,346.91/x
  3. Step 3: Cross multiply
    7,862.13x = 11,782.44 × 4,346.91
  4. Step 4: Simplify right side
    7,862.13x = 51,217,206.26
  5. Step 5: Solve for x
    x = 51,217,206.26/7,862.13
  6. Step 6: Final answer
    x = 6,514.42

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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.