Home / 10,771.20-14,864.58-6,298.20

Finding the Fourth Proportional to 10,771.20, 14,864.58 and 6,298.20

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Solution

The fourth proportional to 10,771.20, 14,864.58 and 6,298.20 is: 8,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.20 : 14,864.58 = 6,298.20 : x
  2. Step 2: Convert to fraction form
    10,771.20/14,864.58 = 6,298.20/x
  3. Step 3: Cross multiply
    10,771.20x = 14,864.58 × 6,298.20
  4. Step 4: Simplify right side
    10,771.20x = 93,620,097.76
  5. Step 5: Solve for x
    x = 93,620,097.76/10,771.20
  6. Step 6: Final answer
    x = 8,691.71

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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.