Home / 11,214.12-15,477.30-6,497.48

Finding the Fourth Proportional to 11,214.12, 15,477.30 and 6,497.48

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Solution

The fourth proportional to 11,214.12, 15,477.30 and 6,497.48 is: 8,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.12 : 15,477.30 = 6,497.48 : x
  2. Step 2: Convert to fraction form
    11,214.12/15,477.30 = 6,497.48/x
  3. Step 3: Cross multiply
    11,214.12x = 15,477.30 × 6,497.48
  4. Step 4: Simplify right side
    11,214.12x = 100,563,447.20
  5. Step 5: Solve for x
    x = 100,563,447.20/11,214.12
  6. Step 6: Final answer
    x = 8,967.57

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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.