Home / 10,725.14-14,795.69-6,748.45

Finding the Fourth Proportional to 10,725.14, 14,795.69 and 6,748.45

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Solution

The fourth proportional to 10,725.14, 14,795.69 and 6,748.45 is: 9,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.14 : 14,795.69 = 6,748.45 : x
  2. Step 2: Convert to fraction form
    10,725.14/14,795.69 = 6,748.45/x
  3. Step 3: Cross multiply
    10,725.14x = 14,795.69 × 6,748.45
  4. Step 4: Simplify right side
    10,725.14x = 99,847,900.20
  5. Step 5: Solve for x
    x = 99,847,900.20/10,725.14
  6. Step 6: Final answer
    x = 9,309.71

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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.