Home / 9,218.81-13,842.02-5,274.52

Finding the Fourth Proportional to 9,218.81, 13,842.02 and 5,274.52

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Solution

The fourth proportional to 9,218.81, 13,842.02 and 5,274.52 is: 7,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.81 : 13,842.02 = 5,274.52 : x
  2. Step 2: Convert to fraction form
    9,218.81/13,842.02 = 5,274.52/x
  3. Step 3: Cross multiply
    9,218.81x = 13,842.02 × 5,274.52
  4. Step 4: Simplify right side
    9,218.81x = 73,009,989.91
  5. Step 5: Solve for x
    x = 73,009,989.91/9,218.81
  6. Step 6: Final answer
    x = 7,919.67

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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.