Home / 10,355.31-14,290.43-6,162.75

Finding the Fourth Proportional to 10,355.31, 14,290.43 and 6,162.75

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Solution

The fourth proportional to 10,355.31, 14,290.43 and 6,162.75 is: 8,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.31 : 14,290.43 = 6,162.75 : x
  2. Step 2: Convert to fraction form
    10,355.31/14,290.43 = 6,162.75/x
  3. Step 3: Cross multiply
    10,355.31x = 14,290.43 × 6,162.75
  4. Step 4: Simplify right side
    10,355.31x = 88,068,316.67
  5. Step 5: Solve for x
    x = 88,068,316.67/10,355.31
  6. Step 6: Final answer
    x = 8,504.65

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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.