Home / 11,214.56-15,475.18-6,435.97

Finding the Fourth Proportional to 11,214.56, 15,475.18 and 6,435.97

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Solution

The fourth proportional to 11,214.56, 15,475.18 and 6,435.97 is: 8,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.56 : 15,475.18 = 6,435.97 : x
  2. Step 2: Convert to fraction form
    11,214.56/15,475.18 = 6,435.97/x
  3. Step 3: Cross multiply
    11,214.56x = 15,475.18 × 6,435.97
  4. Step 4: Simplify right side
    11,214.56x = 99,597,763.58
  5. Step 5: Solve for x
    x = 99,597,763.58/11,214.56
  6. Step 6: Final answer
    x = 8,881.11

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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.