Home / 10,780.10-16,194.66-9,303.92

Finding the Fourth Proportional to 10,780.10, 16,194.66 and 9,303.92

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Solution

The fourth proportional to 10,780.10, 16,194.66 and 9,303.92 is: 13,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.10 : 16,194.66 = 9,303.92 : x
  2. Step 2: Convert to fraction form
    10,780.10/16,194.66 = 9,303.92/x
  3. Step 3: Cross multiply
    10,780.10x = 16,194.66 × 9,303.92
  4. Step 4: Simplify right side
    10,780.10x = 150,673,821.07
  5. Step 5: Solve for x
    x = 150,673,821.07/10,780.10
  6. Step 6: Final answer
    x = 13,977.03

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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.