Home / 13,099.07-18,077.11-7,433.71

Finding the Fourth Proportional to 13,099.07, 18,077.11 and 7,433.71

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Solution

The fourth proportional to 13,099.07, 18,077.11 and 7,433.71 is: 10,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.07 : 18,077.11 = 7,433.71 : x
  2. Step 2: Convert to fraction form
    13,099.07/18,077.11 = 7,433.71/x
  3. Step 3: Cross multiply
    13,099.07x = 18,077.11 × 7,433.71
  4. Step 4: Simplify right side
    13,099.07x = 134,379,929.60
  5. Step 5: Solve for x
    x = 134,379,929.60/13,099.07
  6. Step 6: Final answer
    x = 10,258.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.