Home / 10,953.07-16,419.74-3,931.43

Finding the Fourth Proportional to 10,953.07, 16,419.74 and 3,931.43

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Solution

The fourth proportional to 10,953.07, 16,419.74 and 3,931.43 is: 5,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.07 : 16,419.74 = 3,931.43 : x
  2. Step 2: Convert to fraction form
    10,953.07/16,419.74 = 3,931.43/x
  3. Step 3: Cross multiply
    10,953.07x = 16,419.74 × 3,931.43
  4. Step 4: Simplify right side
    10,953.07x = 64,552,986.16
  5. Step 5: Solve for x
    x = 64,552,986.16/10,953.07
  6. Step 6: Final answer
    x = 5,893.60

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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.