Home / 11,460.72-15,823.38-8,803.36

Finding the Fourth Proportional to 11,460.72, 15,823.38 and 8,803.36

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Solution

The fourth proportional to 11,460.72, 15,823.38 and 8,803.36 is: 12,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.72 : 15,823.38 = 8,803.36 : x
  2. Step 2: Convert to fraction form
    11,460.72/15,823.38 = 8,803.36/x
  3. Step 3: Cross multiply
    11,460.72x = 15,823.38 × 8,803.36
  4. Step 4: Simplify right side
    11,460.72x = 139,298,910.56
  5. Step 5: Solve for x
    x = 139,298,910.56/11,460.72
  6. Step 6: Final answer
    x = 12,154.46

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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.