Home / 7,182.53-9,911.69-4,351.58

Finding the Fourth Proportional to 7,182.53, 9,911.69 and 4,351.58

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Solution

The fourth proportional to 7,182.53, 9,911.69 and 4,351.58 is: 6,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.53 : 9,911.69 = 4,351.58 : x
  2. Step 2: Convert to fraction form
    7,182.53/9,911.69 = 4,351.58/x
  3. Step 3: Cross multiply
    7,182.53x = 9,911.69 × 4,351.58
  4. Step 4: Simplify right side
    7,182.53x = 43,131,440.65
  5. Step 5: Solve for x
    x = 43,131,440.65/7,182.53
  6. Step 6: Final answer
    x = 6,005.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.