Home / 10,909.44-16,370.56-4,752.64

Finding the Fourth Proportional to 10,909.44, 16,370.56 and 4,752.64

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Solution

The fourth proportional to 10,909.44, 16,370.56 and 4,752.64 is: 7,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.44 : 16,370.56 = 4,752.64 : x
  2. Step 2: Convert to fraction form
    10,909.44/16,370.56 = 4,752.64/x
  3. Step 3: Cross multiply
    10,909.44x = 16,370.56 × 4,752.64
  4. Step 4: Simplify right side
    10,909.44x = 77,803,378.28
  5. Step 5: Solve for x
    x = 77,803,378.28/10,909.44
  6. Step 6: Final answer
    x = 7,131.75

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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.