Home / 11,931.83-17,890.66-4,536.83

Finding the Fourth Proportional to 11,931.83, 17,890.66 and 4,536.83

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Solution

The fourth proportional to 11,931.83, 17,890.66 and 4,536.83 is: 6,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.83 : 17,890.66 = 4,536.83 : x
  2. Step 2: Convert to fraction form
    11,931.83/17,890.66 = 4,536.83/x
  3. Step 3: Cross multiply
    11,931.83x = 17,890.66 × 4,536.83
  4. Step 4: Simplify right side
    11,931.83x = 81,166,860.32
  5. Step 5: Solve for x
    x = 81,166,860.32/11,931.83
  6. Step 6: Final answer
    x = 6,802.55

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1.5x scale

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.