Home / 10,865.16-16,298.14-3,845.92

Finding the Fourth Proportional to 10,865.16, 16,298.14 and 3,845.92

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Solution

The fourth proportional to 10,865.16, 16,298.14 and 3,845.92 is: 5,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.16 : 16,298.14 = 3,845.92 : x
  2. Step 2: Convert to fraction form
    10,865.16/16,298.14 = 3,845.92/x
  3. Step 3: Cross multiply
    10,865.16x = 16,298.14 × 3,845.92
  4. Step 4: Simplify right side
    10,865.16x = 62,681,312.49
  5. Step 5: Solve for x
    x = 62,681,312.49/10,865.16
  6. Step 6: Final answer
    x = 5,769.02

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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.