Home / 11,323.93-16,985.89-7,427.43

Finding the Fourth Proportional to 11,323.93, 16,985.89 and 7,427.43

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Solution

The fourth proportional to 11,323.93, 16,985.89 and 7,427.43 is: 11,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.93 : 16,985.89 = 7,427.43 : x
  2. Step 2: Convert to fraction form
    11,323.93/16,985.89 = 7,427.43/x
  3. Step 3: Cross multiply
    11,323.93x = 16,985.89 × 7,427.43
  4. Step 4: Simplify right side
    11,323.93x = 126,161,508.96
  5. Step 5: Solve for x
    x = 126,161,508.96/11,323.93
  6. Step 6: Final answer
    x = 11,141.14

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1.5x scale

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.