Home / 10,911.45-16,344.46-10,535.04

Finding the Fourth Proportional to 10,911.45, 16,344.46 and 10,535.04

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Solution

The fourth proportional to 10,911.45, 16,344.46 and 10,535.04 is: 15,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.45 : 16,344.46 = 10,535.04 : x
  2. Step 2: Convert to fraction form
    10,911.45/16,344.46 = 10,535.04/x
  3. Step 3: Cross multiply
    10,911.45x = 16,344.46 × 10,535.04
  4. Step 4: Simplify right side
    10,911.45x = 172,189,607.08
  5. Step 5: Solve for x
    x = 172,189,607.08/10,911.45
  6. Step 6: Final answer
    x = 15,780.64

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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.