Home / 10,383.07-15,574.61-3,806.77

Finding the Fourth Proportional to 10,383.07, 15,574.61 and 3,806.77

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Solution

The fourth proportional to 10,383.07, 15,574.61 and 3,806.77 is: 5,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.07 : 15,574.61 = 3,806.77 : x
  2. Step 2: Convert to fraction form
    10,383.07/15,574.61 = 3,806.77/x
  3. Step 3: Cross multiply
    10,383.07x = 15,574.61 × 3,806.77
  4. Step 4: Simplify right side
    10,383.07x = 59,288,958.11
  5. Step 5: Solve for x
    x = 59,288,958.11/10,383.07
  6. Step 6: Final answer
    x = 5,710.16

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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.