Home / 10,367.12-15,535.56-5,165.84

Finding the Fourth Proportional to 10,367.12, 15,535.56 and 5,165.84

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Solution

The fourth proportional to 10,367.12, 15,535.56 and 5,165.84 is: 7,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.12 : 15,535.56 = 5,165.84 : x
  2. Step 2: Convert to fraction form
    10,367.12/15,535.56 = 5,165.84/x
  3. Step 3: Cross multiply
    10,367.12x = 15,535.56 × 5,165.84
  4. Step 4: Simplify right side
    10,367.12x = 80,254,217.27
  5. Step 5: Solve for x
    x = 80,254,217.27/10,367.12
  6. Step 6: Final answer
    x = 7,741.23

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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.