Home / 27,587.27-41,368.75-7,861.34

Finding the Fourth Proportional to 27,587.27, 41,368.75 and 7,861.34

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Solution

The fourth proportional to 27,587.27, 41,368.75 and 7,861.34 is: 11,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.27 : 41,368.75 = 7,861.34 : x
  2. Step 2: Convert to fraction form
    27,587.27/41,368.75 = 7,861.34/x
  3. Step 3: Cross multiply
    27,587.27x = 41,368.75 × 7,861.34
  4. Step 4: Simplify right side
    27,587.27x = 325,213,582.63
  5. Step 5: Solve for x
    x = 325,213,582.63/27,587.27
  6. Step 6: Final answer
    x = 11,788.54

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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.