Home / 10,847.20-14,971.08-6,371.32

Finding the Fourth Proportional to 10,847.20, 14,971.08 and 6,371.32

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Solution

The fourth proportional to 10,847.20, 14,971.08 and 6,371.32 is: 8,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.20 : 14,971.08 = 6,371.32 : x
  2. Step 2: Convert to fraction form
    10,847.20/14,971.08 = 6,371.32/x
  3. Step 3: Cross multiply
    10,847.20x = 14,971.08 × 6,371.32
  4. Step 4: Simplify right side
    10,847.20x = 95,385,541.43
  5. Step 5: Solve for x
    x = 95,385,541.43/10,847.20
  6. Step 6: Final answer
    x = 8,793.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.