Home / 11,150.28-15,374.70-9,127.26

Finding the Fourth Proportional to 11,150.28, 15,374.70 and 9,127.26

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Solution

The fourth proportional to 11,150.28, 15,374.70 and 9,127.26 is: 12,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.28 : 15,374.70 = 9,127.26 : x
  2. Step 2: Convert to fraction form
    11,150.28/15,374.70 = 9,127.26/x
  3. Step 3: Cross multiply
    11,150.28x = 15,374.70 × 9,127.26
  4. Step 4: Simplify right side
    11,150.28x = 140,328,884.32
  5. Step 5: Solve for x
    x = 140,328,884.32/11,150.28
  6. Step 6: Final answer
    x = 12,585.23

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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.