Home / 9,921.26-14,880.60-5,763.50

Finding the Fourth Proportional to 9,921.26, 14,880.60 and 5,763.50

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Solution

The fourth proportional to 9,921.26, 14,880.60 and 5,763.50 is: 8,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.26 : 14,880.60 = 5,763.50 : x
  2. Step 2: Convert to fraction form
    9,921.26/14,880.60 = 5,763.50/x
  3. Step 3: Cross multiply
    9,921.26x = 14,880.60 × 5,763.50
  4. Step 4: Simplify right side
    9,921.26x = 85,764,338.10
  5. Step 5: Solve for x
    x = 85,764,338.10/9,921.26
  6. Step 6: Final answer
    x = 8,644.50

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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.