Home / 10,302.48-15,433.11-4,748.22

Finding the Fourth Proportional to 10,302.48, 15,433.11 and 4,748.22

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Solution

The fourth proportional to 10,302.48, 15,433.11 and 4,748.22 is: 7,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.48 : 15,433.11 = 4,748.22 : x
  2. Step 2: Convert to fraction form
    10,302.48/15,433.11 = 4,748.22/x
  3. Step 3: Cross multiply
    10,302.48x = 15,433.11 × 4,748.22
  4. Step 4: Simplify right side
    10,302.48x = 73,279,801.56
  5. Step 5: Solve for x
    x = 73,279,801.56/10,302.48
  6. Step 6: Final answer
    x = 7,112.83

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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.