Home / 11,182.08-15,422.88-10,685.76

Finding the Fourth Proportional to 11,182.08, 15,422.88 and 10,685.76

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Solution

The fourth proportional to 11,182.08, 15,422.88 and 10,685.76 is: 14,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.08 : 15,422.88 = 10,685.76 : x
  2. Step 2: Convert to fraction form
    11,182.08/15,422.88 = 10,685.76/x
  3. Step 3: Cross multiply
    11,182.08x = 15,422.88 × 10,685.76
  4. Step 4: Simplify right side
    11,182.08x = 164,805,194.19
  5. Step 5: Solve for x
    x = 164,805,194.19/11,182.08
  6. Step 6: Final answer
    x = 14,738.33

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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.