Home / 11,150.14-15,386.85-6,114.31

Finding the Fourth Proportional to 11,150.14, 15,386.85 and 6,114.31

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Solution

The fourth proportional to 11,150.14, 15,386.85 and 6,114.31 is: 8,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.14 : 15,386.85 = 6,114.31 : x
  2. Step 2: Convert to fraction form
    11,150.14/15,386.85 = 6,114.31/x
  3. Step 3: Cross multiply
    11,150.14x = 15,386.85 × 6,114.31
  4. Step 4: Simplify right side
    11,150.14x = 94,079,970.82
  5. Step 5: Solve for x
    x = 94,079,970.82/11,150.14
  6. Step 6: Final answer
    x = 8,437.56

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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.