Home / 8,925.27-13,390.14-3,378.60

Finding the Fourth Proportional to 8,925.27, 13,390.14 and 3,378.60

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Solution

The fourth proportional to 8,925.27, 13,390.14 and 3,378.60 is: 5,068.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.27 : 13,390.14 = 3,378.60 : x
  2. Step 2: Convert to fraction form
    8,925.27/13,390.14 = 3,378.60/x
  3. Step 3: Cross multiply
    8,925.27x = 13,390.14 × 3,378.60
  4. Step 4: Simplify right side
    8,925.27x = 45,239,927.00
  5. Step 5: Solve for x
    x = 45,239,927.00/8,925.27
  6. Step 6: Final answer
    x = 5,068.75

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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.