Home / 12,474.24-17,214.24-6,885.12

Finding the Fourth Proportional to 12,474.24, 17,214.24 and 6,885.12

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Solution

The fourth proportional to 12,474.24, 17,214.24 and 6,885.12 is: 9,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.24 : 17,214.24 = 6,885.12 : x
  2. Step 2: Convert to fraction form
    12,474.24/17,214.24 = 6,885.12/x
  3. Step 3: Cross multiply
    12,474.24x = 17,214.24 × 6,885.12
  4. Step 4: Simplify right side
    12,474.24x = 118,522,108.11
  5. Step 5: Solve for x
    x = 118,522,108.11/12,474.24
  6. Step 6: Final answer
    x = 9,501.35

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Half scale
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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.