Home / 10,130.32-15,198.27-3,555.64

Finding the Fourth Proportional to 10,130.32, 15,198.27 and 3,555.64

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Solution

The fourth proportional to 10,130.32, 15,198.27 and 3,555.64 is: 5,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.32 : 15,198.27 = 3,555.64 : x
  2. Step 2: Convert to fraction form
    10,130.32/15,198.27 = 3,555.64/x
  3. Step 3: Cross multiply
    10,130.32x = 15,198.27 × 3,555.64
  4. Step 4: Simplify right side
    10,130.32x = 54,039,576.74
  5. Step 5: Solve for x
    x = 54,039,576.74/10,130.32
  6. Step 6: Final answer
    x = 5,334.44

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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.