Home / 10,165.96-15,278.46-6,725.08

Finding the Fourth Proportional to 10,165.96, 15,278.46 and 6,725.08

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Solution

The fourth proportional to 10,165.96, 15,278.46 and 6,725.08 is: 10,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.96 : 15,278.46 = 6,725.08 : x
  2. Step 2: Convert to fraction form
    10,165.96/15,278.46 = 6,725.08/x
  3. Step 3: Cross multiply
    10,165.96x = 15,278.46 × 6,725.08
  4. Step 4: Simplify right side
    10,165.96x = 102,748,865.78
  5. Step 5: Solve for x
    x = 102,748,865.78/10,165.96
  6. Step 6: Final answer
    x = 10,107.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.