Home / 11,345.06-15,644.34-6,867.18

Finding the Fourth Proportional to 11,345.06, 15,644.34 and 6,867.18

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Solution

The fourth proportional to 11,345.06, 15,644.34 and 6,867.18 is: 9,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.06 : 15,644.34 = 6,867.18 : x
  2. Step 2: Convert to fraction form
    11,345.06/15,644.34 = 6,867.18/x
  3. Step 3: Cross multiply
    11,345.06x = 15,644.34 × 6,867.18
  4. Step 4: Simplify right side
    11,345.06x = 107,432,498.76
  5. Step 5: Solve for x
    x = 107,432,498.76/11,345.06
  6. Step 6: Final answer
    x = 9,469.54

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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.