Home / 8,479.04-11,701.82-4,942.18

Finding the Fourth Proportional to 8,479.04, 11,701.82 and 4,942.18

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Solution

The fourth proportional to 8,479.04, 11,701.82 and 4,942.18 is: 6,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.04 : 11,701.82 = 4,942.18 : x
  2. Step 2: Convert to fraction form
    8,479.04/11,701.82 = 4,942.18/x
  3. Step 3: Cross multiply
    8,479.04x = 11,701.82 × 4,942.18
  4. Step 4: Simplify right side
    8,479.04x = 57,832,417.55
  5. Step 5: Solve for x
    x = 57,832,417.55/8,479.04
  6. Step 6: Final answer
    x = 6,820.63

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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.