Home / 10,861.25-16,302.80-7,339.97

Finding the Fourth Proportional to 10,861.25, 16,302.80 and 7,339.97

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Solution

The fourth proportional to 10,861.25, 16,302.80 and 7,339.97 is: 11,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.25 : 16,302.80 = 7,339.97 : x
  2. Step 2: Convert to fraction form
    10,861.25/16,302.80 = 7,339.97/x
  3. Step 3: Cross multiply
    10,861.25x = 16,302.80 × 7,339.97
  4. Step 4: Simplify right side
    10,861.25x = 119,662,026.22
  5. Step 5: Solve for x
    x = 119,662,026.22/10,861.25
  6. Step 6: Final answer
    x = 11,017.33

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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.