Home / 12,353.07-18,516.33-5,336.40

Finding the Fourth Proportional to 12,353.07, 18,516.33 and 5,336.40

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Solution

The fourth proportional to 12,353.07, 18,516.33 and 5,336.40 is: 7,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.07 : 18,516.33 = 5,336.40 : x
  2. Step 2: Convert to fraction form
    12,353.07/18,516.33 = 5,336.40/x
  3. Step 3: Cross multiply
    12,353.07x = 18,516.33 × 5,336.40
  4. Step 4: Simplify right side
    12,353.07x = 98,810,543.41
  5. Step 5: Solve for x
    x = 98,810,543.41/12,353.07
  6. Step 6: Final answer
    x = 7,998.87

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1.5x scale

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.