Home / 11,618.10-16,032.90-6,312.96

Finding the Fourth Proportional to 11,618.10, 16,032.90 and 6,312.96

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Solution

The fourth proportional to 11,618.10, 16,032.90 and 6,312.96 is: 8,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.10 : 16,032.90 = 6,312.96 : x
  2. Step 2: Convert to fraction form
    11,618.10/16,032.90 = 6,312.96/x
  3. Step 3: Cross multiply
    11,618.10x = 16,032.90 × 6,312.96
  4. Step 4: Simplify right side
    11,618.10x = 101,215,056.38
  5. Step 5: Solve for x
    x = 101,215,056.38/11,618.10
  6. Step 6: Final answer
    x = 8,711.84

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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.