Home / 10,226.90-15,342.81-3,562.42

Finding the Fourth Proportional to 10,226.90, 15,342.81 and 3,562.42

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Solution

The fourth proportional to 10,226.90, 15,342.81 and 3,562.42 is: 5,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.90 : 15,342.81 = 3,562.42 : x
  2. Step 2: Convert to fraction form
    10,226.90/15,342.81 = 3,562.42/x
  3. Step 3: Cross multiply
    10,226.90x = 15,342.81 × 3,562.42
  4. Step 4: Simplify right side
    10,226.90x = 54,657,533.20
  5. Step 5: Solve for x
    x = 54,657,533.20/10,226.90
  6. Step 6: Final answer
    x = 5,344.49

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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.