Home / 10,153.68-15,233.14-3,133.54

Finding the Fourth Proportional to 10,153.68, 15,233.14 and 3,133.54

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Solution

The fourth proportional to 10,153.68, 15,233.14 and 3,133.54 is: 4,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.68 : 15,233.14 = 3,133.54 : x
  2. Step 2: Convert to fraction form
    10,153.68/15,233.14 = 3,133.54/x
  3. Step 3: Cross multiply
    10,153.68x = 15,233.14 × 3,133.54
  4. Step 4: Simplify right side
    10,153.68x = 47,733,653.52
  5. Step 5: Solve for x
    x = 47,733,653.52/10,153.68
  6. Step 6: Final answer
    x = 4,701.12

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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.