Home / 10,176.61-15,257.74-3,931.36

Finding the Fourth Proportional to 10,176.61, 15,257.74 and 3,931.36

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Solution

The fourth proportional to 10,176.61, 15,257.74 and 3,931.36 is: 5,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.61 : 15,257.74 = 3,931.36 : x
  2. Step 2: Convert to fraction form
    10,176.61/15,257.74 = 3,931.36/x
  3. Step 3: Cross multiply
    10,176.61x = 15,257.74 × 3,931.36
  4. Step 4: Simplify right side
    10,176.61x = 59,983,682.09
  5. Step 5: Solve for x
    x = 59,983,682.09/10,176.61
  6. Step 6: Final answer
    x = 5,894.27

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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.