Home / 10,341.89-15,503.58-3,763.43

Finding the Fourth Proportional to 10,341.89, 15,503.58 and 3,763.43

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Solution

The fourth proportional to 10,341.89, 15,503.58 and 3,763.43 is: 5,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.89 : 15,503.58 = 3,763.43 : x
  2. Step 2: Convert to fraction form
    10,341.89/15,503.58 = 3,763.43/x
  3. Step 3: Cross multiply
    10,341.89x = 15,503.58 × 3,763.43
  4. Step 4: Simplify right side
    10,341.89x = 58,346,638.08
  5. Step 5: Solve for x
    x = 58,346,638.08/10,341.89
  6. Step 6: Final answer
    x = 5,641.78

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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.