Home / 8,813.32-13,194.36-6,859.60

Finding the Fourth Proportional to 8,813.32, 13,194.36 and 6,859.60

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Solution

The fourth proportional to 8,813.32, 13,194.36 and 6,859.60 is: 10,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.32 : 13,194.36 = 6,859.60 : x
  2. Step 2: Convert to fraction form
    8,813.32/13,194.36 = 6,859.60/x
  3. Step 3: Cross multiply
    8,813.32x = 13,194.36 × 6,859.60
  4. Step 4: Simplify right side
    8,813.32x = 90,508,031.86
  5. Step 5: Solve for x
    x = 90,508,031.86/8,813.32
  6. Step 6: Final answer
    x = 10,269.46

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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.