Home / 9,840.76-14,769.68-5,164.08

Finding the Fourth Proportional to 9,840.76, 14,769.68 and 5,164.08

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Solution

The fourth proportional to 9,840.76, 14,769.68 and 5,164.08 is: 7,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.76 : 14,769.68 = 5,164.08 : x
  2. Step 2: Convert to fraction form
    9,840.76/14,769.68 = 5,164.08/x
  3. Step 3: Cross multiply
    9,840.76x = 14,769.68 × 5,164.08
  4. Step 4: Simplify right side
    9,840.76x = 76,271,809.09
  5. Step 5: Solve for x
    x = 76,271,809.09/9,840.76
  6. Step 6: Final answer
    x = 7,750.60

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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.