Home / 11,543.22-15,930.91-6,699.01

Finding the Fourth Proportional to 11,543.22, 15,930.91 and 6,699.01

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Solution

The fourth proportional to 11,543.22, 15,930.91 and 6,699.01 is: 9,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.22 : 15,930.91 = 6,699.01 : x
  2. Step 2: Convert to fraction form
    11,543.22/15,930.91 = 6,699.01/x
  3. Step 3: Cross multiply
    11,543.22x = 15,930.91 × 6,699.01
  4. Step 4: Simplify right side
    11,543.22x = 106,721,291.90
  5. Step 5: Solve for x
    x = 106,721,291.90/11,543.22
  6. Step 6: Final answer
    x = 9,245.37

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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.