Home / 8,707.41-12,015.98-4,930.94

Finding the Fourth Proportional to 8,707.41, 12,015.98 and 4,930.94

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Solution

The fourth proportional to 8,707.41, 12,015.98 and 4,930.94 is: 6,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.41 : 12,015.98 = 4,930.94 : x
  2. Step 2: Convert to fraction form
    8,707.41/12,015.98 = 4,930.94/x
  3. Step 3: Cross multiply
    8,707.41x = 12,015.98 × 4,930.94
  4. Step 4: Simplify right side
    8,707.41x = 59,250,070.41
  5. Step 5: Solve for x
    x = 59,250,070.41/8,707.41
  6. Step 6: Final answer
    x = 6,804.56

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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.