Home / 8,845.18-12,200.07-5,484.40

Finding the Fourth Proportional to 8,845.18, 12,200.07 and 5,484.40

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Solution

The fourth proportional to 8,845.18, 12,200.07 and 5,484.40 is: 7,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.18 : 12,200.07 = 5,484.40 : x
  2. Step 2: Convert to fraction form
    8,845.18/12,200.07 = 5,484.40/x
  3. Step 3: Cross multiply
    8,845.18x = 12,200.07 × 5,484.40
  4. Step 4: Simplify right side
    8,845.18x = 66,910,063.91
  5. Step 5: Solve for x
    x = 66,910,063.91/8,845.18
  6. Step 6: Final answer
    x = 7,564.58

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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.