Home / 10,292.99-15,425.92-5,615.03

Finding the Fourth Proportional to 10,292.99, 15,425.92 and 5,615.03

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Solution

The fourth proportional to 10,292.99, 15,425.92 and 5,615.03 is: 8,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.99 : 15,425.92 = 5,615.03 : x
  2. Step 2: Convert to fraction form
    10,292.99/15,425.92 = 5,615.03/x
  3. Step 3: Cross multiply
    10,292.99x = 15,425.92 × 5,615.03
  4. Step 4: Simplify right side
    10,292.99x = 86,617,003.58
  5. Step 5: Solve for x
    x = 86,617,003.58/10,292.99
  6. Step 6: Final answer
    x = 8,415.15

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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.