Home / 7,931.63-11,897.52-3,250.43

Finding the Fourth Proportional to 7,931.63, 11,897.52 and 3,250.43

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Solution

The fourth proportional to 7,931.63, 11,897.52 and 3,250.43 is: 4,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.63 : 11,897.52 = 3,250.43 : x
  2. Step 2: Convert to fraction form
    7,931.63/11,897.52 = 3,250.43/x
  3. Step 3: Cross multiply
    7,931.63x = 11,897.52 × 3,250.43
  4. Step 4: Simplify right side
    7,931.63x = 38,672,085.68
  5. Step 5: Solve for x
    x = 38,672,085.68/7,931.63
  6. Step 6: Final answer
    x = 4,875.68

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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.