Home / 11,483.36-15,847.28-6,768.80

Finding the Fourth Proportional to 11,483.36, 15,847.28 and 6,768.80

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Solution

The fourth proportional to 11,483.36, 15,847.28 and 6,768.80 is: 9,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.36 : 15,847.28 = 6,768.80 : x
  2. Step 2: Convert to fraction form
    11,483.36/15,847.28 = 6,768.80/x
  3. Step 3: Cross multiply
    11,483.36x = 15,847.28 × 6,768.80
  4. Step 4: Simplify right side
    11,483.36x = 107,267,068.86
  5. Step 5: Solve for x
    x = 107,267,068.86/11,483.36
  6. Step 6: Final answer
    x = 9,341.09

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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.