Home / 11,749.56-16,211.76-6,970.92

Finding the Fourth Proportional to 11,749.56, 16,211.76 and 6,970.92

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Solution

The fourth proportional to 11,749.56, 16,211.76 and 6,970.92 is: 9,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.56 : 16,211.76 = 6,970.92 : x
  2. Step 2: Convert to fraction form
    11,749.56/16,211.76 = 6,970.92/x
  3. Step 3: Cross multiply
    11,749.56x = 16,211.76 × 6,970.92
  4. Step 4: Simplify right side
    11,749.56x = 113,010,882.02
  5. Step 5: Solve for x
    x = 113,010,882.02/11,749.56
  6. Step 6: Final answer
    x = 9,618.31

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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.