Home / 6,228.24-8,586.12-4,459.20

Finding the Fourth Proportional to 6,228.24, 8,586.12 and 4,459.20

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Solution

The fourth proportional to 6,228.24, 8,586.12 and 4,459.20 is: 6,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.24 : 8,586.12 = 4,459.20 : x
  2. Step 2: Convert to fraction form
    6,228.24/8,586.12 = 4,459.20/x
  3. Step 3: Cross multiply
    6,228.24x = 8,586.12 × 4,459.20
  4. Step 4: Simplify right side
    6,228.24x = 38,287,226.30
  5. Step 5: Solve for x
    x = 38,287,226.30/6,228.24
  6. Step 6: Final answer
    x = 6,147.36

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Half scale
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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.