Home / 10,717.95-16,074.48-4,791.72

Finding the Fourth Proportional to 10,717.95, 16,074.48 and 4,791.72

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Solution

The fourth proportional to 10,717.95, 16,074.48 and 4,791.72 is: 7,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.95 : 16,074.48 = 4,791.72 : x
  2. Step 2: Convert to fraction form
    10,717.95/16,074.48 = 4,791.72/x
  3. Step 3: Cross multiply
    10,717.95x = 16,074.48 × 4,791.72
  4. Step 4: Simplify right side
    10,717.95x = 77,024,407.31
  5. Step 5: Solve for x
    x = 77,024,407.31/10,717.95
  6. Step 6: Final answer
    x = 7,186.49

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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.