Home / 10,353.08-15,530.10-2,958.60

Finding the Fourth Proportional to 10,353.08, 15,530.10 and 2,958.60

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Solution

The fourth proportional to 10,353.08, 15,530.10 and 2,958.60 is: 4,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.08 : 15,530.10 = 2,958.60 : x
  2. Step 2: Convert to fraction form
    10,353.08/15,530.10 = 2,958.60/x
  3. Step 3: Cross multiply
    10,353.08x = 15,530.10 × 2,958.60
  4. Step 4: Simplify right side
    10,353.08x = 45,947,353.86
  5. Step 5: Solve for x
    x = 45,947,353.86/10,353.08
  6. Step 6: Final answer
    x = 4,438.04

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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.