Home / 10,490.14-15,735.18-7,193.23

Finding the Fourth Proportional to 10,490.14, 15,735.18 and 7,193.23

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Solution

The fourth proportional to 10,490.14, 15,735.18 and 7,193.23 is: 10,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.14 : 15,735.18 = 7,193.23 : x
  2. Step 2: Convert to fraction form
    10,490.14/15,735.18 = 7,193.23/x
  3. Step 3: Cross multiply
    10,490.14x = 15,735.18 × 7,193.23
  4. Step 4: Simplify right side
    10,490.14x = 113,186,768.83
  5. Step 5: Solve for x
    x = 113,186,768.83/10,490.14
  6. Step 6: Final answer
    x = 10,789.82

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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.