Home / 6,147.30-8,490.36-4,476.18

Finding the Fourth Proportional to 6,147.30, 8,490.36 and 4,476.18

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Solution

The fourth proportional to 6,147.30, 8,490.36 and 4,476.18 is: 6,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.30 : 8,490.36 = 4,476.18 : x
  2. Step 2: Convert to fraction form
    6,147.30/8,490.36 = 4,476.18/x
  3. Step 3: Cross multiply
    6,147.30x = 8,490.36 × 4,476.18
  4. Step 4: Simplify right side
    6,147.30x = 38,004,379.62
  5. Step 5: Solve for x
    x = 38,004,379.62/6,147.30
  6. Step 6: Final answer
    x = 6,182.29

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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.