Home / 9,928.81-13,701.72-5,452.85

Finding the Fourth Proportional to 9,928.81, 13,701.72 and 5,452.85

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Solution

The fourth proportional to 9,928.81, 13,701.72 and 5,452.85 is: 7,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.81 : 13,701.72 = 5,452.85 : x
  2. Step 2: Convert to fraction form
    9,928.81/13,701.72 = 5,452.85/x
  3. Step 3: Cross multiply
    9,928.81x = 13,701.72 × 5,452.85
  4. Step 4: Simplify right side
    9,928.81x = 74,713,478.60
  5. Step 5: Solve for x
    x = 74,713,478.60/9,928.81
  6. Step 6: Final answer
    x = 7,524.92

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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.