Home / 10,639.24-14,681.10-5,923.96

Finding the Fourth Proportional to 10,639.24, 14,681.10 and 5,923.96

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Solution

The fourth proportional to 10,639.24, 14,681.10 and 5,923.96 is: 8,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.24 : 14,681.10 = 5,923.96 : x
  2. Step 2: Convert to fraction form
    10,639.24/14,681.10 = 5,923.96/x
  3. Step 3: Cross multiply
    10,639.24x = 14,681.10 × 5,923.96
  4. Step 4: Simplify right side
    10,639.24x = 86,970,249.16
  5. Step 5: Solve for x
    x = 86,970,249.16/10,639.24
  6. Step 6: Final answer
    x = 8,174.48

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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.