Home / 8,479.82-11,701.57-4,703.15

Finding the Fourth Proportional to 8,479.82, 11,701.57 and 4,703.15

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Solution

The fourth proportional to 8,479.82, 11,701.57 and 4,703.15 is: 6,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.82 : 11,701.57 = 4,703.15 : x
  2. Step 2: Convert to fraction form
    8,479.82/11,701.57 = 4,703.15/x
  3. Step 3: Cross multiply
    8,479.82x = 11,701.57 × 4,703.15
  4. Step 4: Simplify right side
    8,479.82x = 55,034,212.67
  5. Step 5: Solve for x
    x = 55,034,212.67/8,479.82
  6. Step 6: Final answer
    x = 6,490.02

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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.