Home / 8,731.98-12,049.60-4,903.32

Finding the Fourth Proportional to 8,731.98, 12,049.60 and 4,903.32

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Solution

The fourth proportional to 8,731.98, 12,049.60 and 4,903.32 is: 6,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.98 : 12,049.60 = 4,903.32 : x
  2. Step 2: Convert to fraction form
    8,731.98/12,049.60 = 4,903.32/x
  3. Step 3: Cross multiply
    8,731.98x = 12,049.60 × 4,903.32
  4. Step 4: Simplify right side
    8,731.98x = 59,083,044.67
  5. Step 5: Solve for x
    x = 59,083,044.67/8,731.98
  6. Step 6: Final answer
    x = 6,766.28

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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.