Home / 10,089.12-13,923.18-5,899.80

Finding the Fourth Proportional to 10,089.12, 13,923.18 and 5,899.80

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Solution

The fourth proportional to 10,089.12, 13,923.18 and 5,899.80 is: 8,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.12 : 13,923.18 = 5,899.80 : x
  2. Step 2: Convert to fraction form
    10,089.12/13,923.18 = 5,899.80/x
  3. Step 3: Cross multiply
    10,089.12x = 13,923.18 × 5,899.80
  4. Step 4: Simplify right side
    10,089.12x = 82,143,977.36
  5. Step 5: Solve for x
    x = 82,143,977.36/10,089.12
  6. Step 6: Final answer
    x = 8,141.84

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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.