Home / 10,287.72-15,431.58-2,496.53

Finding the Fourth Proportional to 10,287.72, 15,431.58 and 2,496.53

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Solution

The fourth proportional to 10,287.72, 15,431.58 and 2,496.53 is: 3,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.72 : 15,431.58 = 2,496.53 : x
  2. Step 2: Convert to fraction form
    10,287.72/15,431.58 = 2,496.53/x
  3. Step 3: Cross multiply
    10,287.72x = 15,431.58 × 2,496.53
  4. Step 4: Simplify right side
    10,287.72x = 38,525,441.00
  5. Step 5: Solve for x
    x = 38,525,441.00/10,287.72
  6. Step 6: Final answer
    x = 3,744.80

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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.