Home / 11,853.41-17,779.95-3,539.17

Finding the Fourth Proportional to 11,853.41, 17,779.95 and 3,539.17

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Solution

The fourth proportional to 11,853.41, 17,779.95 and 3,539.17 is: 5,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.41 : 17,779.95 = 3,539.17 : x
  2. Step 2: Convert to fraction form
    11,853.41/17,779.95 = 3,539.17/x
  3. Step 3: Cross multiply
    11,853.41x = 17,779.95 × 3,539.17
  4. Step 4: Simplify right side
    11,853.41x = 62,926,221.19
  5. Step 5: Solve for x
    x = 62,926,221.19/11,853.41
  6. Step 6: Final answer
    x = 5,308.70

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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.