Home / 11,345.46-17,018.18-3,554.88

Finding the Fourth Proportional to 11,345.46, 17,018.18 and 3,554.88

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Solution

The fourth proportional to 11,345.46, 17,018.18 and 3,554.88 is: 5,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.46 : 17,018.18 = 3,554.88 : x
  2. Step 2: Convert to fraction form
    11,345.46/17,018.18 = 3,554.88/x
  3. Step 3: Cross multiply
    11,345.46x = 17,018.18 × 3,554.88
  4. Step 4: Simplify right side
    11,345.46x = 60,497,587.72
  5. Step 5: Solve for x
    x = 60,497,587.72/11,345.46
  6. Step 6: Final answer
    x = 5,332.32

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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.