Home / 10,529.52-15,778.44-7,604.88

Finding the Fourth Proportional to 10,529.52, 15,778.44 and 7,604.88

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Solution

The fourth proportional to 10,529.52, 15,778.44 and 7,604.88 is: 11,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.52 : 15,778.44 = 7,604.88 : x
  2. Step 2: Convert to fraction form
    10,529.52/15,778.44 = 7,604.88/x
  3. Step 3: Cross multiply
    10,529.52x = 15,778.44 × 7,604.88
  4. Step 4: Simplify right side
    10,529.52x = 119,993,142.79
  5. Step 5: Solve for x
    x = 119,993,142.79/10,529.52
  6. Step 6: Final answer
    x = 11,395.88

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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.