Home / 10,697.73-14,762.95-5,918

Finding the Fourth Proportional to 10,697.73, 14,762.95 and 5,918

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Solution

The fourth proportional to 10,697.73, 14,762.95 and 5,918 is: 8,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.73 : 14,762.95 = 5,918 : x
  2. Step 2: Convert to fraction form
    10,697.73/14,762.95 = 5,918/x
  3. Step 3: Cross multiply
    10,697.73x = 14,762.95 × 5,918
  4. Step 4: Simplify right side
    10,697.73x = 87,367,138.10
  5. Step 5: Solve for x
    x = 87,367,138.10/10,697.73
  6. Step 6: Final answer
    x = 8,166.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.