Home / 10,363.88-15,539.34-4,813.76

Finding the Fourth Proportional to 10,363.88, 15,539.34 and 4,813.76

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Solution

The fourth proportional to 10,363.88, 15,539.34 and 4,813.76 is: 7,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.88 : 15,539.34 = 4,813.76 : x
  2. Step 2: Convert to fraction form
    10,363.88/15,539.34 = 4,813.76/x
  3. Step 3: Cross multiply
    10,363.88x = 15,539.34 × 4,813.76
  4. Step 4: Simplify right side
    10,363.88x = 74,802,653.32
  5. Step 5: Solve for x
    x = 74,802,653.32/10,363.88
  6. Step 6: Final answer
    x = 7,217.63

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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.