Home / 11,613.40-16,026.28-6,308.16

Finding the Fourth Proportional to 11,613.40, 16,026.28 and 6,308.16

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Solution

The fourth proportional to 11,613.40, 16,026.28 and 6,308.16 is: 8,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.40 : 16,026.28 = 6,308.16 : x
  2. Step 2: Convert to fraction form
    11,613.40/16,026.28 = 6,308.16/x
  3. Step 3: Cross multiply
    11,613.40x = 16,026.28 × 6,308.16
  4. Step 4: Simplify right side
    11,613.40x = 101,096,338.44
  5. Step 5: Solve for x
    x = 101,096,338.44/11,613.40
  6. Step 6: Final answer
    x = 8,705.15

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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.