Home / 8,032.76-11,079.48-4,889.15

Finding the Fourth Proportional to 8,032.76, 11,079.48 and 4,889.15

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Solution

The fourth proportional to 8,032.76, 11,079.48 and 4,889.15 is: 6,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.76 : 11,079.48 = 4,889.15 : x
  2. Step 2: Convert to fraction form
    8,032.76/11,079.48 = 4,889.15/x
  3. Step 3: Cross multiply
    8,032.76x = 11,079.48 × 4,889.15
  4. Step 4: Simplify right side
    8,032.76x = 54,169,184.24
  5. Step 5: Solve for x
    x = 54,169,184.24/8,032.76
  6. Step 6: Final answer
    x = 6,743.54

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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.