Home / 11,281.20-16,924.72-6,605.16

Finding the Fourth Proportional to 11,281.20, 16,924.72 and 6,605.16

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Solution

The fourth proportional to 11,281.20, 16,924.72 and 6,605.16 is: 9,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.20 : 16,924.72 = 6,605.16 : x
  2. Step 2: Convert to fraction form
    11,281.20/16,924.72 = 6,605.16/x
  3. Step 3: Cross multiply
    11,281.20x = 16,924.72 × 6,605.16
  4. Step 4: Simplify right side
    11,281.20x = 111,790,483.56
  5. Step 5: Solve for x
    x = 111,790,483.56/11,281.20
  6. Step 6: Final answer
    x = 9,909.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.