Home / 10,106.50-13,947.25-6,329.31

Finding the Fourth Proportional to 10,106.50, 13,947.25 and 6,329.31

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Solution

The fourth proportional to 10,106.50, 13,947.25 and 6,329.31 is: 8,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.50 : 13,947.25 = 6,329.31 : x
  2. Step 2: Convert to fraction form
    10,106.50/13,947.25 = 6,329.31/x
  3. Step 3: Cross multiply
    10,106.50x = 13,947.25 × 6,329.31
  4. Step 4: Simplify right side
    10,106.50x = 88,276,539.22
  5. Step 5: Solve for x
    x = 88,276,539.22/10,106.50
  6. Step 6: Final answer
    x = 8,734.63

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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.