Home / 9,184.49-13,780.80-5,235.60

Finding the Fourth Proportional to 9,184.49, 13,780.80 and 5,235.60

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Solution

The fourth proportional to 9,184.49, 13,780.80 and 5,235.60 is: 7,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.49 : 13,780.80 = 5,235.60 : x
  2. Step 2: Convert to fraction form
    9,184.49/13,780.80 = 5,235.60/x
  3. Step 3: Cross multiply
    9,184.49x = 13,780.80 × 5,235.60
  4. Step 4: Simplify right side
    9,184.49x = 72,150,756.48
  5. Step 5: Solve for x
    x = 72,150,756.48/9,184.49
  6. Step 6: Final answer
    x = 7,855.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.