Home / 10,165.22-15,173.37-8,966.82

Finding the Fourth Proportional to 10,165.22, 15,173.37 and 8,966.82

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Solution

The fourth proportional to 10,165.22, 15,173.37 and 8,966.82 is: 13,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.22 : 15,173.37 = 8,966.82 : x
  2. Step 2: Convert to fraction form
    10,165.22/15,173.37 = 8,966.82/x
  3. Step 3: Cross multiply
    10,165.22x = 15,173.37 × 8,966.82
  4. Step 4: Simplify right side
    10,165.22x = 136,056,877.58
  5. Step 5: Solve for x
    x = 136,056,877.58/10,165.22
  6. Step 6: Final answer
    x = 13,384.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.