Home / 9,517.28-13,133.76-5,325.60

Finding the Fourth Proportional to 9,517.28, 13,133.76 and 5,325.60

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Solution

The fourth proportional to 9,517.28, 13,133.76 and 5,325.60 is: 7,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.28 : 13,133.76 = 5,325.60 : x
  2. Step 2: Convert to fraction form
    9,517.28/13,133.76 = 5,325.60/x
  3. Step 3: Cross multiply
    9,517.28x = 13,133.76 × 5,325.60
  4. Step 4: Simplify right side
    9,517.28x = 69,945,152.26
  5. Step 5: Solve for x
    x = 69,945,152.26/9,517.28
  6. Step 6: Final answer
    x = 7,349.28

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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.