Home / 10,347.16-15,516.18-2,949.94

Finding the Fourth Proportional to 10,347.16, 15,516.18 and 2,949.94

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Solution

The fourth proportional to 10,347.16, 15,516.18 and 2,949.94 is: 4,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.16 : 15,516.18 = 2,949.94 : x
  2. Step 2: Convert to fraction form
    10,347.16/15,516.18 = 2,949.94/x
  3. Step 3: Cross multiply
    10,347.16x = 15,516.18 × 2,949.94
  4. Step 4: Simplify right side
    10,347.16x = 45,771,800.03
  5. Step 5: Solve for x
    x = 45,771,800.03/10,347.16
  6. Step 6: Final answer
    x = 4,423.61

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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.