Home / 10,362.20-15,548.70-4,519.40

Finding the Fourth Proportional to 10,362.20, 15,548.70 and 4,519.40

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Solution

The fourth proportional to 10,362.20, 15,548.70 and 4,519.40 is: 6,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.20 : 15,548.70 = 4,519.40 : x
  2. Step 2: Convert to fraction form
    10,362.20/15,548.70 = 4,519.40/x
  3. Step 3: Cross multiply
    10,362.20x = 15,548.70 × 4,519.40
  4. Step 4: Simplify right side
    10,362.20x = 70,270,794.78
  5. Step 5: Solve for x
    x = 70,270,794.78/10,362.20
  6. Step 6: Final answer
    x = 6,781.46

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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.