Home / 9,560.28-13,191.84-5,311.02

Finding the Fourth Proportional to 9,560.28, 13,191.84 and 5,311.02

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Solution

The fourth proportional to 9,560.28, 13,191.84 and 5,311.02 is: 7,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,560.28 : 13,191.84 = 5,311.02 : x
  2. Step 2: Convert to fraction form
    9,560.28/13,191.84 = 5,311.02/x
  3. Step 3: Cross multiply
    9,560.28x = 13,191.84 × 5,311.02
  4. Step 4: Simplify right side
    9,560.28x = 70,062,126.08
  5. Step 5: Solve for x
    x = 70,062,126.08/9,560.28
  6. Step 6: Final answer
    x = 7,328.46

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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.