Home / 7,497.20-11,240.40-4,901.60

Finding the Fourth Proportional to 7,497.20, 11,240.40 and 4,901.60

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Solution

The fourth proportional to 7,497.20, 11,240.40 and 4,901.60 is: 7,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.20 : 11,240.40 = 4,901.60 : x
  2. Step 2: Convert to fraction form
    7,497.20/11,240.40 = 4,901.60/x
  3. Step 3: Cross multiply
    7,497.20x = 11,240.40 × 4,901.60
  4. Step 4: Simplify right side
    7,497.20x = 55,095,944.64
  5. Step 5: Solve for x
    x = 55,095,944.64/7,497.20
  6. Step 6: Final answer
    x = 7,348.87

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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.