Home / 11,710.58-17,572.73-4,320.18

Finding the Fourth Proportional to 11,710.58, 17,572.73 and 4,320.18

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Solution

The fourth proportional to 11,710.58, 17,572.73 and 4,320.18 is: 6,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.58 : 17,572.73 = 4,320.18 : x
  2. Step 2: Convert to fraction form
    11,710.58/17,572.73 = 4,320.18/x
  3. Step 3: Cross multiply
    11,710.58x = 17,572.73 × 4,320.18
  4. Step 4: Simplify right side
    11,710.58x = 75,917,335.09
  5. Step 5: Solve for x
    x = 75,917,335.09/11,710.58
  6. Step 6: Final answer
    x = 6,482.80

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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.