Home / 7,400.30-11,102.49-4,768.70

Finding the Fourth Proportional to 7,400.30, 11,102.49 and 4,768.70

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Solution

The fourth proportional to 7,400.30, 11,102.49 and 4,768.70 is: 7,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.30 : 11,102.49 = 4,768.70 : x
  2. Step 2: Convert to fraction form
    7,400.30/11,102.49 = 4,768.70/x
  3. Step 3: Cross multiply
    7,400.30x = 11,102.49 × 4,768.70
  4. Step 4: Simplify right side
    7,400.30x = 52,944,444.06
  5. Step 5: Solve for x
    x = 52,944,444.06/7,400.30
  6. Step 6: Final answer
    x = 7,154.36

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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.