Home / 11,300.18-16,956.30-8,507.66

Finding the Fourth Proportional to 11,300.18, 16,956.30 and 8,507.66

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Solution

The fourth proportional to 11,300.18, 16,956.30 and 8,507.66 is: 12,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.18 : 16,956.30 = 8,507.66 : x
  2. Step 2: Convert to fraction form
    11,300.18/16,956.30 = 8,507.66/x
  3. Step 3: Cross multiply
    11,300.18x = 16,956.30 × 8,507.66
  4. Step 4: Simplify right side
    11,300.18x = 144,258,435.26
  5. Step 5: Solve for x
    x = 144,258,435.26/11,300.18
  6. Step 6: Final answer
    x = 12,766.03

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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.