Home / 10,631.06-15,947.40-3,236.15

Finding the Fourth Proportional to 10,631.06, 15,947.40 and 3,236.15

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Solution

The fourth proportional to 10,631.06, 15,947.40 and 3,236.15 is: 4,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.06 : 15,947.40 = 3,236.15 : x
  2. Step 2: Convert to fraction form
    10,631.06/15,947.40 = 3,236.15/x
  3. Step 3: Cross multiply
    10,631.06x = 15,947.40 × 3,236.15
  4. Step 4: Simplify right side
    10,631.06x = 51,608,178.51
  5. Step 5: Solve for x
    x = 51,608,178.51/10,631.06
  6. Step 6: Final answer
    x = 4,854.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.