Home / 12,059.80-18,089.70-5,800.75

Finding the Fourth Proportional to 12,059.80, 18,089.70 and 5,800.75

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Solution

The fourth proportional to 12,059.80, 18,089.70 and 5,800.75 is: 8,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.80 : 18,089.70 = 5,800.75 : x
  2. Step 2: Convert to fraction form
    12,059.80/18,089.70 = 5,800.75/x
  3. Step 3: Cross multiply
    12,059.80x = 18,089.70 × 5,800.75
  4. Step 4: Simplify right side
    12,059.80x = 104,933,827.28
  5. Step 5: Solve for x
    x = 104,933,827.28/12,059.80
  6. Step 6: Final answer
    x = 8,701.13

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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.