Home / 11,758.74-17,645.04-4,368.40

Finding the Fourth Proportional to 11,758.74, 17,645.04 and 4,368.40

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Solution

The fourth proportional to 11,758.74, 17,645.04 and 4,368.40 is: 6,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.74 : 17,645.04 = 4,368.40 : x
  2. Step 2: Convert to fraction form
    11,758.74/17,645.04 = 4,368.40/x
  3. Step 3: Cross multiply
    11,758.74x = 17,645.04 × 4,368.40
  4. Step 4: Simplify right side
    11,758.74x = 77,080,592.74
  5. Step 5: Solve for x
    x = 77,080,592.74/11,758.74
  6. Step 6: Final answer
    x = 6,555.17

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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.