Home / 6,147.06-8,483.16-3,421.68

Finding the Fourth Proportional to 6,147.06, 8,483.16 and 3,421.68

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Solution

The fourth proportional to 6,147.06, 8,483.16 and 3,421.68 is: 4,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.06 : 8,483.16 = 3,421.68 : x
  2. Step 2: Convert to fraction form
    6,147.06/8,483.16 = 3,421.68/x
  3. Step 3: Cross multiply
    6,147.06x = 8,483.16 × 3,421.68
  4. Step 4: Simplify right side
    6,147.06x = 29,026,658.91
  5. Step 5: Solve for x
    x = 29,026,658.91/6,147.06
  6. Step 6: Final answer
    x = 4,722.04

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Double scale
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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.