Home / 10,363.20-15,551.61-5,686.49

Finding the Fourth Proportional to 10,363.20, 15,551.61 and 5,686.49

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Solution

The fourth proportional to 10,363.20, 15,551.61 and 5,686.49 is: 8,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.20 : 15,551.61 = 5,686.49 : x
  2. Step 2: Convert to fraction form
    10,363.20/15,551.61 = 5,686.49/x
  3. Step 3: Cross multiply
    10,363.20x = 15,551.61 × 5,686.49
  4. Step 4: Simplify right side
    10,363.20x = 88,433,996.99
  5. Step 5: Solve for x
    x = 88,433,996.99/10,363.20
  6. Step 6: Final answer
    x = 8,533.46

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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.