Home / 10,818.90-16,229.07-3,798.06

Finding the Fourth Proportional to 10,818.90, 16,229.07 and 3,798.06

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Solution

The fourth proportional to 10,818.90, 16,229.07 and 3,798.06 is: 5,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.90 : 16,229.07 = 3,798.06 : x
  2. Step 2: Convert to fraction form
    10,818.90/16,229.07 = 3,798.06/x
  3. Step 3: Cross multiply
    10,818.90x = 16,229.07 × 3,798.06
  4. Step 4: Simplify right side
    10,818.90x = 61,638,981.60
  5. Step 5: Solve for x
    x = 61,638,981.60/10,818.90
  6. Step 6: Final answer
    x = 5,697.34

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1.5x scale

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.