Home / 6,631.02-9,148.53-4,112.23

Finding the Fourth Proportional to 6,631.02, 9,148.53 and 4,112.23

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Solution

The fourth proportional to 6,631.02, 9,148.53 and 4,112.23 is: 5,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.02 : 9,148.53 = 4,112.23 : x
  2. Step 2: Convert to fraction form
    6,631.02/9,148.53 = 4,112.23/x
  3. Step 3: Cross multiply
    6,631.02x = 9,148.53 × 4,112.23
  4. Step 4: Simplify right side
    6,631.02x = 37,620,836.65
  5. Step 5: Solve for x
    x = 37,620,836.65/6,631.02
  6. Step 6: Final answer
    x = 5,673.46

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Double scale
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Similar ratio
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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.