Home / 11,005.66-15,184.02-10,167.31

Finding the Fourth Proportional to 11,005.66, 15,184.02 and 10,167.31

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Solution

The fourth proportional to 11,005.66, 15,184.02 and 10,167.31 is: 14,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.66 : 15,184.02 = 10,167.31 : x
  2. Step 2: Convert to fraction form
    11,005.66/15,184.02 = 10,167.31/x
  3. Step 3: Cross multiply
    11,005.66x = 15,184.02 × 10,167.31
  4. Step 4: Simplify right side
    11,005.66x = 154,380,638.39
  5. Step 5: Solve for x
    x = 154,380,638.39/11,005.66
  6. Step 6: Final answer
    x = 14,027.39

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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.