Home / 12,554.30-17,324.88-6,889.14

Finding the Fourth Proportional to 12,554.30, 17,324.88 and 6,889.14

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Solution

The fourth proportional to 12,554.30, 17,324.88 and 6,889.14 is: 9,506.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.30 : 17,324.88 = 6,889.14 : x
  2. Step 2: Convert to fraction form
    12,554.30/17,324.88 = 6,889.14/x
  3. Step 3: Cross multiply
    12,554.30x = 17,324.88 × 6,889.14
  4. Step 4: Simplify right side
    12,554.30x = 119,353,510.76
  5. Step 5: Solve for x
    x = 119,353,510.76/12,554.30
  6. Step 6: Final answer
    x = 9,506.99

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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.