Home / 11,557.18-17,342.34-5,714.38

Finding the Fourth Proportional to 11,557.18, 17,342.34 and 5,714.38

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Solution

The fourth proportional to 11,557.18, 17,342.34 and 5,714.38 is: 8,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.18 : 17,342.34 = 5,714.38 : x
  2. Step 2: Convert to fraction form
    11,557.18/17,342.34 = 5,714.38/x
  3. Step 3: Cross multiply
    11,557.18x = 17,342.34 × 5,714.38
  4. Step 4: Simplify right side
    11,557.18x = 99,100,720.85
  5. Step 5: Solve for x
    x = 99,100,720.85/11,557.18
  6. Step 6: Final answer
    x = 8,574.82

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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.