Home / 11,326.56-15,628.08-6,611.52

Finding the Fourth Proportional to 11,326.56, 15,628.08 and 6,611.52

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Solution

The fourth proportional to 11,326.56, 15,628.08 and 6,611.52 is: 9,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.56 : 15,628.08 = 6,611.52 : x
  2. Step 2: Convert to fraction form
    11,326.56/15,628.08 = 6,611.52/x
  3. Step 3: Cross multiply
    11,326.56x = 15,628.08 × 6,611.52
  4. Step 4: Simplify right side
    11,326.56x = 103,325,363.48
  5. Step 5: Solve for x
    x = 103,325,363.48/11,326.56
  6. Step 6: Final answer
    x = 9,122.40

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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.