Home / 11,148.19-16,725.06-7,867.69

Finding the Fourth Proportional to 11,148.19, 16,725.06 and 7,867.69

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Solution

The fourth proportional to 11,148.19, 16,725.06 and 7,867.69 is: 11,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.19 : 16,725.06 = 7,867.69 : x
  2. Step 2: Convert to fraction form
    11,148.19/16,725.06 = 7,867.69/x
  3. Step 3: Cross multiply
    11,148.19x = 16,725.06 × 7,867.69
  4. Step 4: Simplify right side
    11,148.19x = 131,587,503.69
  5. Step 5: Solve for x
    x = 131,587,503.69/11,148.19
  6. Step 6: Final answer
    x = 11,803.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.