Home / 7,178.76-10,773.40-4,712.71

Finding the Fourth Proportional to 7,178.76, 10,773.40 and 4,712.71

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Solution

The fourth proportional to 7,178.76, 10,773.40 and 4,712.71 is: 7,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.76 : 10,773.40 = 4,712.71 : x
  2. Step 2: Convert to fraction form
    7,178.76/10,773.40 = 4,712.71/x
  3. Step 3: Cross multiply
    7,178.76x = 10,773.40 × 4,712.71
  4. Step 4: Simplify right side
    7,178.76x = 50,771,909.91
  5. Step 5: Solve for x
    x = 50,771,909.91/7,178.76
  6. Step 6: Final answer
    x = 7,072.52

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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.