Home / 9,431.60-13,017.28-5,452.08

Finding the Fourth Proportional to 9,431.60, 13,017.28 and 5,452.08

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Solution

The fourth proportional to 9,431.60, 13,017.28 and 5,452.08 is: 7,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.60 : 13,017.28 = 5,452.08 : x
  2. Step 2: Convert to fraction form
    9,431.60/13,017.28 = 5,452.08/x
  3. Step 3: Cross multiply
    9,431.60x = 13,017.28 × 5,452.08
  4. Step 4: Simplify right side
    9,431.60x = 70,971,251.94
  5. Step 5: Solve for x
    x = 70,971,251.94/9,431.60
  6. Step 6: Final answer
    x = 7,524.84

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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.