Home / 9,152.50-13,720.60-3,307.81

Finding the Fourth Proportional to 9,152.50, 13,720.60 and 3,307.81

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Solution

The fourth proportional to 9,152.50, 13,720.60 and 3,307.81 is: 4,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.50 : 13,720.60 = 3,307.81 : x
  2. Step 2: Convert to fraction form
    9,152.50/13,720.60 = 3,307.81/x
  3. Step 3: Cross multiply
    9,152.50x = 13,720.60 × 3,307.81
  4. Step 4: Simplify right side
    9,152.50x = 45,385,137.89
  5. Step 5: Solve for x
    x = 45,385,137.89/9,152.50
  6. Step 6: Final answer
    x = 4,958.77

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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.