Home / 8,905.05-13,353.52-4,743.99

Finding the Fourth Proportional to 8,905.05, 13,353.52 and 4,743.99

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Solution

The fourth proportional to 8,905.05, 13,353.52 and 4,743.99 is: 7,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.05 : 13,353.52 = 4,743.99 : x
  2. Step 2: Convert to fraction form
    8,905.05/13,353.52 = 4,743.99/x
  3. Step 3: Cross multiply
    8,905.05x = 13,353.52 × 4,743.99
  4. Step 4: Simplify right side
    8,905.05x = 63,348,965.34
  5. Step 5: Solve for x
    x = 63,348,965.34/8,905.05
  6. Step 6: Final answer
    x = 7,113.82

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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.