Home / 8,736.60-13,109.76-4,840.50

Finding the Fourth Proportional to 8,736.60, 13,109.76 and 4,840.50

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Solution

The fourth proportional to 8,736.60, 13,109.76 and 4,840.50 is: 7,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.60 : 13,109.76 = 4,840.50 : x
  2. Step 2: Convert to fraction form
    8,736.60/13,109.76 = 4,840.50/x
  3. Step 3: Cross multiply
    8,736.60x = 13,109.76 × 4,840.50
  4. Step 4: Simplify right side
    8,736.60x = 63,457,793.28
  5. Step 5: Solve for x
    x = 63,457,793.28/8,736.60
  6. Step 6: Final answer
    x = 7,263.44

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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.