Home / 11,281.98-15,569.70-6,246.75

Finding the Fourth Proportional to 11,281.98, 15,569.70 and 6,246.75

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Solution

The fourth proportional to 11,281.98, 15,569.70 and 6,246.75 is: 8,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.98 : 15,569.70 = 6,246.75 : x
  2. Step 2: Convert to fraction form
    11,281.98/15,569.70 = 6,246.75/x
  3. Step 3: Cross multiply
    11,281.98x = 15,569.70 × 6,246.75
  4. Step 4: Simplify right side
    11,281.98x = 97,260,067.32
  5. Step 5: Solve for x
    x = 97,260,067.32/11,281.98
  6. Step 6: Final answer
    x = 8,620.84

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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.