Home / 10,146.10-13,997.28-6,366.68

Finding the Fourth Proportional to 10,146.10, 13,997.28 and 6,366.68

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Solution

The fourth proportional to 10,146.10, 13,997.28 and 6,366.68 is: 8,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.10 : 13,997.28 = 6,366.68 : x
  2. Step 2: Convert to fraction form
    10,146.10/13,997.28 = 6,366.68/x
  3. Step 3: Cross multiply
    10,146.10x = 13,997.28 × 6,366.68
  4. Step 4: Simplify right side
    10,146.10x = 89,116,202.63
  5. Step 5: Solve for x
    x = 89,116,202.63/10,146.10
  6. Step 6: Final answer
    x = 8,783.30

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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.