Home / 10,176.20-14,042.74-5,699.88

Finding the Fourth Proportional to 10,176.20, 14,042.74 and 5,699.88

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Solution

The fourth proportional to 10,176.20, 14,042.74 and 5,699.88 is: 7,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.20 : 14,042.74 = 5,699.88 : x
  2. Step 2: Convert to fraction form
    10,176.20/14,042.74 = 5,699.88/x
  3. Step 3: Cross multiply
    10,176.20x = 14,042.74 × 5,699.88
  4. Step 4: Simplify right side
    10,176.20x = 80,041,932.87
  5. Step 5: Solve for x
    x = 80,041,932.87/10,176.20
  6. Step 6: Final answer
    x = 7,865.60

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1.5x scale

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.