Home / 11,542.31-15,928.35-6,237.12

Finding the Fourth Proportional to 11,542.31, 15,928.35 and 6,237.12

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Solution

The fourth proportional to 11,542.31, 15,928.35 and 6,237.12 is: 8,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.31 : 15,928.35 = 6,237.12 : x
  2. Step 2: Convert to fraction form
    11,542.31/15,928.35 = 6,237.12/x
  3. Step 3: Cross multiply
    11,542.31x = 15,928.35 × 6,237.12
  4. Step 4: Simplify right side
    11,542.31x = 99,346,977.10
  5. Step 5: Solve for x
    x = 99,346,977.10/11,542.31
  6. Step 6: Final answer
    x = 8,607.20

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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.