Home / 10,996.85-16,463.81-7,291.71

Finding the Fourth Proportional to 10,996.85, 16,463.81 and 7,291.71

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Solution

The fourth proportional to 10,996.85, 16,463.81 and 7,291.71 is: 10,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.85 : 16,463.81 = 7,291.71 : x
  2. Step 2: Convert to fraction form
    10,996.85/16,463.81 = 7,291.71/x
  3. Step 3: Cross multiply
    10,996.85x = 16,463.81 × 7,291.71
  4. Step 4: Simplify right side
    10,996.85x = 120,049,346.24
  5. Step 5: Solve for x
    x = 120,049,346.24/10,996.85
  6. Step 6: Final answer
    x = 10,916.70

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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.