Home / 11,612.56-17,418.76-4,686.96

Finding the Fourth Proportional to 11,612.56, 17,418.76 and 4,686.96

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Solution

The fourth proportional to 11,612.56, 17,418.76 and 4,686.96 is: 7,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.56 : 17,418.76 = 4,686.96 : x
  2. Step 2: Convert to fraction form
    11,612.56/17,418.76 = 4,686.96/x
  3. Step 3: Cross multiply
    11,612.56x = 17,418.76 × 4,686.96
  4. Step 4: Simplify right side
    11,612.56x = 81,641,031.37
  5. Step 5: Solve for x
    x = 81,641,031.37/11,612.56
  6. Step 6: Final answer
    x = 7,030.41

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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.