Home / 11,072.14-15,281.94-6,359.02

Finding the Fourth Proportional to 11,072.14, 15,281.94 and 6,359.02

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Solution

The fourth proportional to 11,072.14, 15,281.94 and 6,359.02 is: 8,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.14 : 15,281.94 = 6,359.02 : x
  2. Step 2: Convert to fraction form
    11,072.14/15,281.94 = 6,359.02/x
  3. Step 3: Cross multiply
    11,072.14x = 15,281.94 × 6,359.02
  4. Step 4: Simplify right side
    11,072.14x = 97,178,162.10
  5. Step 5: Solve for x
    x = 97,178,162.10/11,072.14
  6. Step 6: Final answer
    x = 8,776.82

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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.