Home / 10,311.56-15,432.27-6,365.30

Finding the Fourth Proportional to 10,311.56, 15,432.27 and 6,365.30

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Solution

The fourth proportional to 10,311.56, 15,432.27 and 6,365.30 is: 9,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.56 : 15,432.27 = 6,365.30 : x
  2. Step 2: Convert to fraction form
    10,311.56/15,432.27 = 6,365.30/x
  3. Step 3: Cross multiply
    10,311.56x = 15,432.27 × 6,365.30
  4. Step 4: Simplify right side
    10,311.56x = 98,230,996.40
  5. Step 5: Solve for x
    x = 98,230,996.40/10,311.56
  6. Step 6: Final answer
    x = 9,526.30

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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.