Home / 10,507.02-15,760.97-3,487.65

Finding the Fourth Proportional to 10,507.02, 15,760.97 and 3,487.65

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Solution

The fourth proportional to 10,507.02, 15,760.97 and 3,487.65 is: 5,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.02 : 15,760.97 = 3,487.65 : x
  2. Step 2: Convert to fraction form
    10,507.02/15,760.97 = 3,487.65/x
  3. Step 3: Cross multiply
    10,507.02x = 15,760.97 × 3,487.65
  4. Step 4: Simplify right side
    10,507.02x = 54,968,747.02
  5. Step 5: Solve for x
    x = 54,968,747.02/10,507.02
  6. Step 6: Final answer
    x = 5,231.62

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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.