Home / 7,325.60-10,988.40-6,234.80

Finding the Fourth Proportional to 7,325.60, 10,988.40 and 6,234.80

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Solution

The fourth proportional to 7,325.60, 10,988.40 and 6,234.80 is: 9,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.60 : 10,988.40 = 6,234.80 : x
  2. Step 2: Convert to fraction form
    7,325.60/10,988.40 = 6,234.80/x
  3. Step 3: Cross multiply
    7,325.60x = 10,988.40 × 6,234.80
  4. Step 4: Simplify right side
    7,325.60x = 68,510,476.32
  5. Step 5: Solve for x
    x = 68,510,476.32/7,325.60
  6. Step 6: Final answer
    x = 9,352.20

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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.