Home / 9,957.40-14,938.26-3,031.72

Finding the Fourth Proportional to 9,957.40, 14,938.26 and 3,031.72

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Solution

The fourth proportional to 9,957.40, 14,938.26 and 3,031.72 is: 4,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.40 : 14,938.26 = 3,031.72 : x
  2. Step 2: Convert to fraction form
    9,957.40/14,938.26 = 3,031.72/x
  3. Step 3: Cross multiply
    9,957.40x = 14,938.26 × 3,031.72
  4. Step 4: Simplify right side
    9,957.40x = 45,288,546.92
  5. Step 5: Solve for x
    x = 45,288,546.92/9,957.40
  6. Step 6: Final answer
    x = 4,548.23

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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.