Home / 10,095.70-15,134.24-5,418.99

Finding the Fourth Proportional to 10,095.70, 15,134.24 and 5,418.99

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Solution

The fourth proportional to 10,095.70, 15,134.24 and 5,418.99 is: 8,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.70 : 15,134.24 = 5,418.99 : x
  2. Step 2: Convert to fraction form
    10,095.70/15,134.24 = 5,418.99/x
  3. Step 3: Cross multiply
    10,095.70x = 15,134.24 × 5,418.99
  4. Step 4: Simplify right side
    10,095.70x = 82,012,192.45
  5. Step 5: Solve for x
    x = 82,012,192.45/10,095.70
  6. Step 6: Final answer
    x = 8,123.48

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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.