Home / 11,811.04-17,718.74-4,886.08

Finding the Fourth Proportional to 11,811.04, 17,718.74 and 4,886.08

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Solution

The fourth proportional to 11,811.04, 17,718.74 and 4,886.08 is: 7,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.04 : 17,718.74 = 4,886.08 : x
  2. Step 2: Convert to fraction form
    11,811.04/17,718.74 = 4,886.08/x
  3. Step 3: Cross multiply
    11,811.04x = 17,718.74 × 4,886.08
  4. Step 4: Simplify right side
    11,811.04x = 86,575,181.14
  5. Step 5: Solve for x
    x = 86,575,181.14/11,811.04
  6. Step 6: Final answer
    x = 7,330.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.