Home / 11,613.48-16,026.72-6,308.40

Finding the Fourth Proportional to 11,613.48, 16,026.72 and 6,308.40

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Solution

The fourth proportional to 11,613.48, 16,026.72 and 6,308.40 is: 8,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.48 : 16,026.72 = 6,308.40 : x
  2. Step 2: Convert to fraction form
    11,613.48/16,026.72 = 6,308.40/x
  3. Step 3: Cross multiply
    11,613.48x = 16,026.72 × 6,308.40
  4. Step 4: Simplify right side
    11,613.48x = 101,102,960.45
  5. Step 5: Solve for x
    x = 101,102,960.45/11,613.48
  6. Step 6: Final answer
    x = 8,705.66

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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.