Home / 7,426.80-10,247.64-4,773.60

Finding the Fourth Proportional to 7,426.80, 10,247.64 and 4,773.60

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Solution

The fourth proportional to 7,426.80, 10,247.64 and 4,773.60 is: 6,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.80 : 10,247.64 = 4,773.60 : x
  2. Step 2: Convert to fraction form
    7,426.80/10,247.64 = 4,773.60/x
  3. Step 3: Cross multiply
    7,426.80x = 10,247.64 × 4,773.60
  4. Step 4: Simplify right side
    7,426.80x = 48,918,134.30
  5. Step 5: Solve for x
    x = 48,918,134.30/7,426.80
  6. Step 6: Final answer
    x = 6,586.70

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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.