Home / 10,399.64-14,349.85-5,923.48

Finding the Fourth Proportional to 10,399.64, 14,349.85 and 5,923.48

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Solution

The fourth proportional to 10,399.64, 14,349.85 and 5,923.48 is: 8,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.64 : 14,349.85 = 5,923.48 : x
  2. Step 2: Convert to fraction form
    10,399.64/14,349.85 = 5,923.48/x
  3. Step 3: Cross multiply
    10,399.64x = 14,349.85 × 5,923.48
  4. Step 4: Simplify right side
    10,399.64x = 85,001,052.61
  5. Step 5: Solve for x
    x = 85,001,052.61/10,399.64
  6. Step 6: Final answer
    x = 8,173.46

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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.