Home / 11,430.96-15,773.37-6,395.46

Finding the Fourth Proportional to 11,430.96, 15,773.37 and 6,395.46

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Solution

The fourth proportional to 11,430.96, 15,773.37 and 6,395.46 is: 8,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.96 : 15,773.37 = 6,395.46 : x
  2. Step 2: Convert to fraction form
    11,430.96/15,773.37 = 6,395.46/x
  3. Step 3: Cross multiply
    11,430.96x = 15,773.37 × 6,395.46
  4. Step 4: Simplify right side
    11,430.96x = 100,877,956.90
  5. Step 5: Solve for x
    x = 100,877,956.90/11,430.96
  6. Step 6: Final answer
    x = 8,824.98

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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.