Home / 12,263.34-18,390.45-4,865.58

Finding the Fourth Proportional to 12,263.34, 18,390.45 and 4,865.58

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Solution

The fourth proportional to 12,263.34, 18,390.45 and 4,865.58 is: 7,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.34 : 18,390.45 = 4,865.58 : x
  2. Step 2: Convert to fraction form
    12,263.34/18,390.45 = 4,865.58/x
  3. Step 3: Cross multiply
    12,263.34x = 18,390.45 × 4,865.58
  4. Step 4: Simplify right side
    12,263.34x = 89,480,205.71
  5. Step 5: Solve for x
    x = 89,480,205.71/12,263.34
  6. Step 6: Final answer
    x = 7,296.56

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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.