Home / 8,079.40-11,148.54-4,676.98

Finding the Fourth Proportional to 8,079.40, 11,148.54 and 4,676.98

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Solution

The fourth proportional to 8,079.40, 11,148.54 and 4,676.98 is: 6,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.40 : 11,148.54 = 4,676.98 : x
  2. Step 2: Convert to fraction form
    8,079.40/11,148.54 = 4,676.98/x
  3. Step 3: Cross multiply
    8,079.40x = 11,148.54 × 4,676.98
  4. Step 4: Simplify right side
    8,079.40x = 52,141,498.61
  5. Step 5: Solve for x
    x = 52,141,498.61/8,079.40
  6. Step 6: Final answer
    x = 6,453.63

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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.