Home / 10,749.48-16,124.28-4,902

Finding the Fourth Proportional to 10,749.48, 16,124.28 and 4,902

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Solution

The fourth proportional to 10,749.48, 16,124.28 and 4,902 is: 7,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.48 : 16,124.28 = 4,902 : x
  2. Step 2: Convert to fraction form
    10,749.48/16,124.28 = 4,902/x
  3. Step 3: Cross multiply
    10,749.48x = 16,124.28 × 4,902
  4. Step 4: Simplify right side
    10,749.48x = 79,041,220.56
  5. Step 5: Solve for x
    x = 79,041,220.56/10,749.48
  6. Step 6: Final answer
    x = 7,353.03

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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.