Home / 10,401.13-15,601.69-3,475.63

Finding the Fourth Proportional to 10,401.13, 15,601.69 and 3,475.63

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Solution

The fourth proportional to 10,401.13, 15,601.69 and 3,475.63 is: 5,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.13 : 15,601.69 = 3,475.63 : x
  2. Step 2: Convert to fraction form
    10,401.13/15,601.69 = 3,475.63/x
  3. Step 3: Cross multiply
    10,401.13x = 15,601.69 × 3,475.63
  4. Step 4: Simplify right side
    10,401.13x = 54,225,623.81
  5. Step 5: Solve for x
    x = 54,225,623.81/10,401.13
  6. Step 6: Final answer
    x = 5,213.44

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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.