Home / 11,363.16-15,676.10-6,645.36

Finding the Fourth Proportional to 11,363.16, 15,676.10 and 6,645.36

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Solution

The fourth proportional to 11,363.16, 15,676.10 and 6,645.36 is: 9,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.16 : 15,676.10 = 6,645.36 : x
  2. Step 2: Convert to fraction form
    11,363.16/15,676.10 = 6,645.36/x
  3. Step 3: Cross multiply
    11,363.16x = 15,676.10 × 6,645.36
  4. Step 4: Simplify right side
    11,363.16x = 104,173,327.90
  5. Step 5: Solve for x
    x = 104,173,327.90/11,363.16
  6. Step 6: Final answer
    x = 9,167.64

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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.