Home / 27,890.27-41,835.40-7,113.77

Finding the Fourth Proportional to 27,890.27, 41,835.40 and 7,113.77

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Solution

The fourth proportional to 27,890.27, 41,835.40 and 7,113.77 is: 10,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.27 : 41,835.40 = 7,113.77 : x
  2. Step 2: Convert to fraction form
    27,890.27/41,835.40 = 7,113.77/x
  3. Step 3: Cross multiply
    27,890.27x = 41,835.40 × 7,113.77
  4. Step 4: Simplify right side
    27,890.27x = 297,607,186.50
  5. Step 5: Solve for x
    x = 297,607,186.50/27,890.27
  6. Step 6: Final answer
    x = 10,670.65

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Double scale
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Similar ratio
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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.