Home / 8,764.48-12,099.36-5,580.94

Finding the Fourth Proportional to 8,764.48, 12,099.36 and 5,580.94

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Solution

The fourth proportional to 8,764.48, 12,099.36 and 5,580.94 is: 7,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.48 : 12,099.36 = 5,580.94 : x
  2. Step 2: Convert to fraction form
    8,764.48/12,099.36 = 5,580.94/x
  3. Step 3: Cross multiply
    8,764.48x = 12,099.36 × 5,580.94
  4. Step 4: Simplify right side
    8,764.48x = 67,525,802.20
  5. Step 5: Solve for x
    x = 67,525,802.20/8,764.48
  6. Step 6: Final answer
    x = 7,704.48

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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.