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Finding the Fourth Proportional to 9,155.96, 13,729.07 and 6,235.10

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Solution

The fourth proportional to 9,155.96, 13,729.07 and 6,235.10 is: 9,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.96 : 13,729.07 = 6,235.10 : x
  2. Step 2: Convert to fraction form
    9,155.96/13,729.07 = 6,235.10/x
  3. Step 3: Cross multiply
    9,155.96x = 13,729.07 × 6,235.10
  4. Step 4: Simplify right side
    9,155.96x = 85,602,055.71
  5. Step 5: Solve for x
    x = 85,602,055.71/9,155.96
  6. Step 6: Final answer
    x = 9,349.33

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.