Home / 10,422.96-14,381.56-6,230.32

Finding the Fourth Proportional to 10,422.96, 14,381.56 and 6,230.32

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Solution

The fourth proportional to 10,422.96, 14,381.56 and 6,230.32 is: 8,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.96 : 14,381.56 = 6,230.32 : x
  2. Step 2: Convert to fraction form
    10,422.96/14,381.56 = 6,230.32/x
  3. Step 3: Cross multiply
    10,422.96x = 14,381.56 × 6,230.32
  4. Step 4: Simplify right side
    10,422.96x = 89,601,720.90
  5. Step 5: Solve for x
    x = 89,601,720.90/10,422.96
  6. Step 6: Final answer
    x = 8,596.57

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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.