Home / 10,687.14-14,748.43-6,209.26

Finding the Fourth Proportional to 10,687.14, 14,748.43 and 6,209.26

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Solution

The fourth proportional to 10,687.14, 14,748.43 and 6,209.26 is: 8,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.14 : 14,748.43 = 6,209.26 : x
  2. Step 2: Convert to fraction form
    10,687.14/14,748.43 = 6,209.26/x
  3. Step 3: Cross multiply
    10,687.14x = 14,748.43 × 6,209.26
  4. Step 4: Simplify right side
    10,687.14x = 91,576,795.71
  5. Step 5: Solve for x
    x = 91,576,795.71/10,687.14
  6. Step 6: Final answer
    x = 8,568.88

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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.