Home / 8,953.85-13,431.03-4,274.35

Finding the Fourth Proportional to 8,953.85, 13,431.03 and 4,274.35

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Solution

The fourth proportional to 8,953.85, 13,431.03 and 4,274.35 is: 6,411.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.85 : 13,431.03 = 4,274.35 : x
  2. Step 2: Convert to fraction form
    8,953.85/13,431.03 = 4,274.35/x
  3. Step 3: Cross multiply
    8,953.85x = 13,431.03 × 4,274.35
  4. Step 4: Simplify right side
    8,953.85x = 57,408,897.52
  5. Step 5: Solve for x
    x = 57,408,897.52/8,953.85
  6. Step 6: Final answer
    x = 6,411.65

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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.