Home / 12,466.85-17,195.45-7,427.18

Finding the Fourth Proportional to 12,466.85, 17,195.45 and 7,427.18

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Solution

The fourth proportional to 12,466.85, 17,195.45 and 7,427.18 is: 10,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.85 : 17,195.45 = 7,427.18 : x
  2. Step 2: Convert to fraction form
    12,466.85/17,195.45 = 7,427.18/x
  3. Step 3: Cross multiply
    12,466.85x = 17,195.45 × 7,427.18
  4. Step 4: Simplify right side
    12,466.85x = 127,713,579.22
  5. Step 5: Solve for x
    x = 127,713,579.22/12,466.85
  6. Step 6: Final answer
    x = 10,244.26

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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.