Home / 10,125.14-13,971.76-5,876.96

Finding the Fourth Proportional to 10,125.14, 13,971.76 and 5,876.96

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Solution

The fourth proportional to 10,125.14, 13,971.76 and 5,876.96 is: 8,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.14 : 13,971.76 = 5,876.96 : x
  2. Step 2: Convert to fraction form
    10,125.14/13,971.76 = 5,876.96/x
  3. Step 3: Cross multiply
    10,125.14x = 13,971.76 × 5,876.96
  4. Step 4: Simplify right side
    10,125.14x = 82,111,390.10
  5. Step 5: Solve for x
    x = 82,111,390.10/10,125.14
  6. Step 6: Final answer
    x = 8,109.66

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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.