Home / 12,615.08-17,403.46-7,307.96

Finding the Fourth Proportional to 12,615.08, 17,403.46 and 7,307.96

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Solution

The fourth proportional to 12,615.08, 17,403.46 and 7,307.96 is: 10,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615.08 : 17,403.46 = 7,307.96 : x
  2. Step 2: Convert to fraction form
    12,615.08/17,403.46 = 7,307.96/x
  3. Step 3: Cross multiply
    12,615.08x = 17,403.46 × 7,307.96
  4. Step 4: Simplify right side
    12,615.08x = 127,183,684.25
  5. Step 5: Solve for x
    x = 127,183,684.25/12,615.08
  6. Step 6: Final answer
    x = 10,081.88

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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.