Home / 8,742.92-12,064.74-4,965.98

Finding the Fourth Proportional to 8,742.92, 12,064.74 and 4,965.98

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Solution

The fourth proportional to 8,742.92, 12,064.74 and 4,965.98 is: 6,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.92 : 12,064.74 = 4,965.98 : x
  2. Step 2: Convert to fraction form
    8,742.92/12,064.74 = 4,965.98/x
  3. Step 3: Cross multiply
    8,742.92x = 12,064.74 × 4,965.98
  4. Step 4: Simplify right side
    8,742.92x = 59,913,197.22
  5. Step 5: Solve for x
    x = 59,913,197.22/8,742.92
  6. Step 6: Final answer
    x = 6,852.77

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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.