Home / 28,366.37-42,546.31-7,591.49

Finding the Fourth Proportional to 28,366.37, 42,546.31 and 7,591.49

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Solution

The fourth proportional to 28,366.37, 42,546.31 and 7,591.49 is: 11,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.37 : 42,546.31 = 7,591.49 : x
  2. Step 2: Convert to fraction form
    28,366.37/42,546.31 = 7,591.49/x
  3. Step 3: Cross multiply
    28,366.37x = 42,546.31 × 7,591.49
  4. Step 4: Simplify right side
    28,366.37x = 322,989,886.90
  5. Step 5: Solve for x
    x = 322,989,886.90/28,366.37
  6. Step 6: Final answer
    x = 11,386.37

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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.