Home / 11,664.95-17,579.56-10,555.86

Finding the Fourth Proportional to 11,664.95, 17,579.56 and 10,555.86

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Solution

The fourth proportional to 11,664.95, 17,579.56 and 10,555.86 is: 15,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.95 : 17,579.56 = 10,555.86 : x
  2. Step 2: Convert to fraction form
    11,664.95/17,579.56 = 10,555.86/x
  3. Step 3: Cross multiply
    11,664.95x = 17,579.56 × 10,555.86
  4. Step 4: Simplify right side
    11,664.95x = 185,567,374.22
  5. Step 5: Solve for x
    x = 185,567,374.22/11,664.95
  6. Step 6: Final answer
    x = 15,908.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.