Home / 9,928.20-13,700.23-5,452.26

Finding the Fourth Proportional to 9,928.20, 13,700.23 and 5,452.26

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Solution

The fourth proportional to 9,928.20, 13,700.23 and 5,452.26 is: 7,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.20 : 13,700.23 = 5,452.26 : x
  2. Step 2: Convert to fraction form
    9,928.20/13,700.23 = 5,452.26/x
  3. Step 3: Cross multiply
    9,928.20x = 13,700.23 × 5,452.26
  4. Step 4: Simplify right side
    9,928.20x = 74,697,216.02
  5. Step 5: Solve for x
    x = 74,697,216.02/9,928.20
  6. Step 6: Final answer
    x = 7,523.74

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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.