Home / 10,639.58-14,682.36-5,923.76

Finding the Fourth Proportional to 10,639.58, 14,682.36 and 5,923.76

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Solution

The fourth proportional to 10,639.58, 14,682.36 and 5,923.76 is: 8,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.58 : 14,682.36 = 5,923.76 : x
  2. Step 2: Convert to fraction form
    10,639.58/14,682.36 = 5,923.76/x
  3. Step 3: Cross multiply
    10,639.58x = 14,682.36 × 5,923.76
  4. Step 4: Simplify right side
    10,639.58x = 86,974,776.87
  5. Step 5: Solve for x
    x = 86,974,776.87/10,639.58
  6. Step 6: Final answer
    x = 8,174.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.