Home / 10,236.24-14,118.84-9,400.32

Finding the Fourth Proportional to 10,236.24, 14,118.84 and 9,400.32

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Solution

The fourth proportional to 10,236.24, 14,118.84 and 9,400.32 is: 12,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.24 : 14,118.84 = 9,400.32 : x
  2. Step 2: Convert to fraction form
    10,236.24/14,118.84 = 9,400.32/x
  3. Step 3: Cross multiply
    10,236.24x = 14,118.84 × 9,400.32
  4. Step 4: Simplify right side
    10,236.24x = 132,721,614.03
  5. Step 5: Solve for x
    x = 132,721,614.03/10,236.24
  6. Step 6: Final answer
    x = 12,965.86

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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.