Home / 11,620.35-16,036.04-6,315.18

Finding the Fourth Proportional to 11,620.35, 16,036.04 and 6,315.18

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Solution

The fourth proportional to 11,620.35, 16,036.04 and 6,315.18 is: 8,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.35 : 16,036.04 = 6,315.18 : x
  2. Step 2: Convert to fraction form
    11,620.35/16,036.04 = 6,315.18/x
  3. Step 3: Cross multiply
    11,620.35x = 16,036.04 × 6,315.18
  4. Step 4: Simplify right side
    11,620.35x = 101,270,479.09
  5. Step 5: Solve for x
    x = 101,270,479.09/11,620.35
  6. Step 6: Final answer
    x = 8,714.93

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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.