Home / 11,210.68-15,443.22-9,441.64

Finding the Fourth Proportional to 11,210.68, 15,443.22 and 9,441.64

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Solution

The fourth proportional to 11,210.68, 15,443.22 and 9,441.64 is: 13,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.68 : 15,443.22 = 9,441.64 : x
  2. Step 2: Convert to fraction form
    11,210.68/15,443.22 = 9,441.64/x
  3. Step 3: Cross multiply
    11,210.68x = 15,443.22 × 9,441.64
  4. Step 4: Simplify right side
    11,210.68x = 145,809,323.68
  5. Step 5: Solve for x
    x = 145,809,323.68/11,210.68
  6. Step 6: Final answer
    x = 13,006.29

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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.